Question

list the interval(s) on which f is increasing.
the interval(s) on which f is increasing is/are .
(type your answer in interval notation. use a comma to separate answers as needed.)

Explanation:

Step1: Identify increasing - part of graph

On a graph, a function is increasing when the y - values increase as the x - values increase.

Step2: Determine intervals

By observing the given graph, we see that the function is increasing on the intervals $(-8,-2)$ and $(2,7)$.

Answer:

$(-8,-2),(2,7)$