The derivative of a differentiable function satisfies for and

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

Problem

The derivative of a differentiable function

f

satisfies

f'(x)>0

for

-4<x<1

and

3<x<5

, and

f'(x)<0

for

1<x<3

. Identify the interval(s) where

f

is increasing and the interval(s) where

f

is decreasing.