# How do you find the intervals in which #f (x) = log_7(1+x^2)# is increasing or decreasing?

##### 1 Answer

May 25, 2015

A function is increasing where the derivative is positive and negative when it is negative.

The domain is:

So:

The function is increasing in

graph{log(1+x^2)/ln7 [-10, 10, -5, 5]}