# How do you find all intervals where the function #f(x)=e^(x^2)# is increasing?

##### 1 Answer

Aug 26, 2015

Investigate the sign of

#### Explanation:

On intervals on which

Because

or

Since

which is (of course) negative for

So

(In my experience the usual practice is to state **open** intervals on which a function is increasing. It is also true that this function is increasing on the closed interval: