Homework for Mrs. Cajegas is optional, but if you're shaky on a topic you should do it so that you can do test corrections.

The first semester of the class is the easier part (except for logarithms), but once you get to calculus it's important to pay attention. Write the steps out on your notes so you can refer back to them.

It's important to check over your work to avoid small mistakes, but it's more important to understand how to do it, as she gives consolation points on the test and it's easier to fix.