Hello, I could really use some help on these Calculus questions, I am really stumped, I'm not sure what to do. Any help would be greatly appreciated, thanks a lot.

Hello, I could really use some help on these Calculus questions, I am really stumped, I'm not sure what to do. Any help would be greatly appreciated, thanks a lot.

Extra credit questions are meant to be your own work, not the work of others.