Let's look back at some of the critters we graphed in the last section and find the intervals where they are increasing and decreasing.

Increasing?  Pierre the Mountain Climbing Ant is walking uphill...  Remember that Pierre always walks from left to right for these.

f is increasing on

.

* Remember to answer with interval notation using x values.

Why did we leave the -5 out?  Because the graph doesn't even exist there!