If and is negative for

MATHEMATICS · Subjective · A Level · Mathematics · Differentiation · Differentiation

Problem

If f′(2)=0f'(2)=0 and f′(x)f'(x) is negative for x<2x<2 but positive for x>2x>2, what kind of extremum does ff attain at x=2x=2? State your answer and give a brief reason.

Related theory

Browse the problem library