# Math Help - Global Extrema

1. ## Global Extrema

Find the absolute maximum and minimum of the function on the domain .

I found the critical point, but I am stuck on what to do with the boundaries. Can someone please explain.
Thanks!

2. Originally Posted by jffyx
Find the absolute maximum and minimum of the function on the domain .

I found the critical point, but I am stuck on what to do with the boundaries. Can someone please explain.
Thanks!
plug in at the boundaries. then compare all the outputs: at the critical number and at the boundaries. whichever is the larger number will be your absolute max.

Good luck!