Asked by Kennedy

According to the first derivative test, a differentiable function must have a relative minimum between any two relative maxima.

True.

Answers

Answered by Damon
when f' changes sign, that is max or min (first derivative test)

moving right on x axis

f' changes sign, goes - at left maximum

to get back up to right maximum, f' must change sign again from - to +

that is a minimum
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