First Derivative definitions

First Derivative

Test for Local Extrema A method used to determine whether a critical point of a function is a local maximum or local minimum. If a continuous function changes from increasing (first derivative positive) to decreasing (first derivative negative) at a point, then that point is a local maximum. If a function changes from decreasing (first derivative n...
Found on https://www.cliffsnotes.com/test-prep/high-school/tools-and-resources/calcu

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first derivative

the derivative of a function:Cf. second derivative. Velocity is the first derivative of distance with respect to time.
Found on https://www.infoplease.com/dictionary/first-derivative

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