If, for a nonlinear function, the first derivative is equal to zero and the second derivative is equal to zero, we have both a maximum and a minimum occurring simultaneously.

Question

Quizplus · Accepted Answer

If the first and second derivatives of a nonlinear function are both zero, it could be an inflection point where the function changes concavity, but it is not necessarily a maximum or minimum.

If, for a Nonlinear Function, the First Derivative Is Equal