Watch the video below. It is approximately 30 minutes long, make sure you budget enough time to watch it and take notes. If at any point you get stuck, you should write down your question and post it on the comment section below and I will do my best to promptly answer your questions.
On Monday I will check your notes. If you do not have notes you will not get credit for Hw#1. Make sure you take good notes carefully writing down theorems and sketching graphs.
If you can get the first three problems you are on the right track, if you can get more than three even better!
If you find that the first video is too confusing, check out this video
This video goes over the basic intuition of a limit and will help you understand the first video more.