# Is #f(x)=xe^(x^3-x)-x^3# increasing or decreasing at #x=4#?

##### 1 Answer

Dec 18, 2015

It is increasing.

#### Explanation:

In order to find out, you need the derivative of f.

You know calculate

Dec 18, 2015

It is increasing.

In order to find out, you need the derivative of f.

You know calculate

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