# How do you find the intervals of increasing/decreasing of #F(x)= (x^2-1)^3#?

##### 1 Answer

Jan 26, 2017

#### Answer:

F(x) is increasing if x>0 and decreasing if x<0

#### Explanation:

You will find the intervals of increasing/decreasing of F(x), by studying the positivity of its first derivative:

The intervals where it is positive are those where F(x) is increasing, then you would solve:

that's