AP Calculus AB – Flashcards

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absolute minimum
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the smallest y-value of the function
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absolute maximum
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a point that represents the maximum value a function assumes over its domain
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absolute value
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The distance a number is from zero on a number line
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acceleration
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the rate of change of velocity
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algebraic function
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a function whose dependent variable satisfies a polynomial relationship with one or more independent variables
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amplitude
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the height of a wave from the origin to a crest, or from the origin to a trough
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antiderivative
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an indefinite integral. an arbitrary constant "+c" is included
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antidifferentiation
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The process of evaluating an indefinite integral
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approximation
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A number which serves as an estimate of a desired number
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arccosine function
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The inverse of the cosine function
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arcsine function
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The inverse of the sine function
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arctangent function
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The inverse of the tangent function
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asymptote
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a line that a graph approaches but never crosses
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average rate of change
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slope between two points on a function
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average value
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the total average value of all items
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axis of rotation
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An imaginary line around which rotation occurs
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axis of symmetry
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a line that divides a figure into 2 congruent parts
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base exponential
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the fixed number we multiply over and over again
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base logarithmic
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the number which, raised to the power of a given logarithm, produces a given number
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bounded above
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some number greater than the graph in which the graph may approach but not pass
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bounded below
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A set is bounded below if there is an x value greater than or equal to all other x values in the domain
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bounded
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to set limits or bounds to
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Cartesian coordinate system
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formed by two perpendicular axes (coordinate axes): the X-axis and the Y-axis.
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chain rule
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a method of obtaining the derivative of a composite function
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circle
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ellipse in which the two axes are of equal length
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circular functions
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The six functions sine, cosine, tangent, cosecant, secant, and cotangent.
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closed interval [a,b]
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[a,b] includes all numbers between a and b AND includes a and b
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coefficient
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a constant number that serves as a measure of some property or characteristic
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complex number
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a number of the form a+bi where a and b are real numbers and i is the square root of -1
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composition f(g(x))
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the joining together two different functions
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concave down
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Intervals on which the second derivative is negative
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concave up
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Intervals in which the second derivative is positive
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conic section
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any figure that can be obtained by slicing a double cone
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constant function
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a function that is a fixed numerical value for all elements of the domain of the function
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constant of integration
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an undetermined constant added to every result of integration (the added +c)
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continuity at a point
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a function that is continuous on both the left and right side at that point
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continuity on an interval
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a function that is continuous at every point on the interval
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continuous function
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function whose graph has no gaps or breaks
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coordinate axes
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Perpendicular number lines
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cosecant function
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the reciprocal of the sine function
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cosine function
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cos0 = adj/hyp
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cotangent function
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the reciprocal of the tangent function
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critical point
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the relative maximum and minimum points of the parent function
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critical value
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any x values where f ′(x) = 0 or is undefined
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cross-sectional area
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A surface or shape exposed by making a straight cut through something at right angles to the axis
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decay models
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applications where the rate of change of a variable y is proportional to the value of y and is negative
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decreasing function
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a function with a graph that moves downward as it is followed from left to right
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decreasing on an interval
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for all x in [a,b], f'(x)<0
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definite integral
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the integral of a function over a definite interval
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delta notation
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A finite increment in the value of a variable
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derivative
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the result of mathematical differentiation, slope
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difference quotient
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m=[f(x+h)-f(x)]/h
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differentiability
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A function is differentiable at x=a if the f'(a) exists. If a function is differentiable at x=a, it is also continuous at x=a
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differential
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involving or containing one or more derivatives
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differential equation
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an equation that contains the derivative of a function
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differentiation
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the mathematical process of obtaining the derivative of a function
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discontinuity
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lack of connection of continuity
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disk method
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In finding the volume of a solid of revolution, use one of the following depending on the axis of revolution - ∫ π[R(x)]^2 dx for a horizontal axis of revolution, ∫ π[R(y)]^2 dy for a vertical axis of revolution
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distance from velocity
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∫ l v(t) l (dt)
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distance formula
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speed X time
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domain
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the set of values of the independent variable for which a function is defined
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dummy variable of integration
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A variable occurring in a function, but on which the value of the function does not depend
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Leibniz notation
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dy/dx =dy/du*du/dx
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e
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the base of the natural system of logarithms
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ellipse
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a closed plane curve resulting from the intersection of a circular cone and a plane cutting completely through it
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end behavior
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the behavior of the graph of a function as x approaches positive infinity or negative infinity
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endpoint extremum
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when an absolute maximum or minimum occurs at the endpoint of the interval for which the function is defined
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even function
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graph is symmetrical with respect to the y-axis
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exponential function
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a function in which an independent variable appears as an exponent
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exponential growth
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growth pattern in which the individuals in a population reproduce at a constant rate
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exponential decay
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When an initial amount decreases by the same percent over a given period of time
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extremum
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the local and global maximums and minimums of a function
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factorial
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the product of all the integers up to and including a given integer
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first derivative test
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accomplishes two things, determines where the function is inc/dec and determines if the CPs are relative max or min
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frequency of a periodic function
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the number of times that a periodic function repeats itself in every unit of the independent variable; the reciprocal of the period of the function
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function
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a relation in which each element of the domain is paired with exactly one element of the range
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fundamental theorem of calculus
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If a function is on the closed interval [a, b] and F is an antiderivative (∫) of f on [a,b] then ∫f(x) dx from a to b is F(b) - F(a)
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growth models
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They help describes how much growth has occurred and how the same can be replicated in the future
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growth rate
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the rate of increase in size per unit time
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half-life
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the time required for something to fall to half its initial value (in particular, the time for half the atoms in a radioactive substance to disintegrate)
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hyperbola
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an open curve formed by a plane that cuts the base of a right circular cone
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imaginary number
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a number of the form a+bi where a and b are real numbers and i is the square root of -1
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implicit differentiation
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is a procedure for finding the derivative of y with respect to x when the function relationship is defined implicitly
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increasing function
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any function of a variable whose value increases or is constant as the variable increases
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increasing on an interval
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for all x in [a,b], f'(x)>0
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increment
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the amount by which something increases
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indefinite integral
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the set of functions F(x) + C, where C is any real number, such that F(x) is the integral of f(x)
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infinite limit
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a limit in which f(x) increases or decreases without bound, as x approaches c
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inflection point
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a point where a function changes concavity; also, where the second derivative changes signs
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initial condition
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A given value of x and f(x) used to find the constant of integration
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initial value problem
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problem where you must solve for the variable C
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inscribed rectangle
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a rectangle whose area lies entirely inside a geometric figure or curve; all vertices of the rectangle lie on the curve.
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instantaneous rate of change
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the rate of change of a function occurring at or associated with a given instant, or as a limit as a time interval approaches zero; the derivative
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instantaneous velocity
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the speed and direction of an object at a particular instant in time
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integer
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any of the natural numbers (positive or negative) or zero
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integrable function
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a function that possesses a finite integral; the function must be continuous on the interval of integration
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integrand
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the function that is integrated in an integral
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integration
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an operation used in the calculus whereby the integral of a function is determined
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integration by substitution
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in integrating composite function, either using pattern recognition or change of variables to perform the integration
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intermediate value theorem
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let f(x) be a function continuous on the closed interval [a,b]. If N is any real number between f(a) and f(b), then there is at least one real number c between a and b such that f(c)=N
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interval
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a set containing all points (or all real numbers) between two given endpoints
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inverse function
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a relation formed by reversing x and y in a function
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irrational number
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A non-terminating, non-repeating decimal (π or √2)
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law of cosines
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c²=a²+b²-2abcosC
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law of sines
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sinA/a=sinB/b=sinC/c
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left-hand limit
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the value that a function is approaching as x approaches a given value through values less than x
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left-hand sum
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a rectangular sum of the area under a curve where the domain is divided into sub-intervals and the height of each rectangle is the function value at the left most point of the sub-interval
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Gottfried Leibniz
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German mathematician who found and studied calculus at the same time of Newton; Fought with Newton over who was the founder of calculus
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limit
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the mathematical value toward which a function goes as the independent variable approaches infinity
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limit at infinity
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the value the function approaches as x increases or decreases without bound
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limit of integration
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either of the endpoints of an interval over which a definite integral is to be evaluated
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linear approximation
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f(x)≈f(a)+f'(a)(x-a)
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linear function
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a function whose graph is a straight line
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local extrema
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the set of all local maxima and minima points on the graph of a function
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local linearity
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that the more you zoom in on a point on the graph of the function (with equal scaling horizontally and vertically), the more the graph will look like a straight line
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local linearization
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zooming in at a point on the graph of a function until the function approaches the tangent line at that point
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logarithmic function
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The inverse of an exponential function
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logarithm laws
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logb mn=logb m+logb n logb m/n = logbm - logbn logb m^n = nlogbm logb(b) =1 logb1 = 0
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lower bound
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a function is bounded below on a given domain if there is a number "m" such that "m" is less than or equal to f(x) for all "x" in the domain
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maximum
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the largest possible quantity
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mean value
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an average of n numbers computed by adding some function of the numbers and dividing by some function of n
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midpoint formula
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(x₁+x₂)/2, (y₁+y₂)/2
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minimum
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the smallest possible quantity
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monotonic
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A sequence is non decreasing or its non increasing
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motion
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the act of changing location from one place to another
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Isaac Newton
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English mathematician and scientist who invented differential calculus and formulated the theory of universal gravitation
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non-removable discontinuity
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a point of discontinuity that is not removable. it represents a break in the graph of f where you cannot redefine f to make the graph continuous
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normal line
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perpendicular to tangent line
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numerical derivative
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an approximation of the derivative of a function using a numerical algorithm numerical integration - an approximation of the integral of a function using a numerical algorithm oddfunction- f(−x)=−f(x)
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numerical integration
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odd function
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graph is symmetrical with respect to the origin; f(-x)=-f(x)
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one-to-one function
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1. A function where each element of the range is paired with exactly one element of the domain. 2. A function whose inverse is a function.
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open interval (a,b)
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x such that a < x < b
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optimization
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is the process of making a system as effective as possible
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order of derivative
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if y is a function of x, y′ = dy is the first order, or first, derivative of y with dx respect to x
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origin
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the point of intersection of coordinate axes
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parabola
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the graph of a quadratic function
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parallel curves
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in a plane, curves that differ from one another by a vertical translation or shift
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parameter
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any factor that defines a system and determines (or limits) its performance
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partition of an interval
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dividing an interval into n sub-intervals
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percentage error
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period
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periodic function
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perpendicular lines
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piecewise-defined function
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polynomial
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position function
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power series
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prime notation
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product rule
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proportionality
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quadrant
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quadratic formula
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quotient rule
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radian
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radius of a circle
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range
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rate of change
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rational function
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real number
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rectangular coordinates
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region (in a plane)
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related rates
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relative error
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relative maximum
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relative minimum
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removable discontinuity
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Riemann sum
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right-hand limit
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right-hand sum
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root of an equation
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roundoff error
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secant function
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secant line
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second derivative
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second derivative test
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separable differential
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equation
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set
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sigma notation
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sine function
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slope
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solid (in 3-space)
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solid of revolution
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speed
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sphere
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subset
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symmetry
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tangent function
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tangent line
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transcendental function
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trapezoidal rule
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trigonometric function
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unit circle
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upper bound
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u-substitution
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velocity
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vertex
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viewing window
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volume by slicing
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x-intercept
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y-intercept
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zero of a function
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