Graphing Rational Functions (Section 2.7)

Khan Academy link
https://www.khanacademy.org/search?page_search_query=graphing+rational+functions

YouTube videos:
http://youtu.be/hWjMovgqvi4 graphing from factored form
http://youtu.be/HeqfhnKncjc finding all asymptotes
http://youtu.be/GX-YdOykky4 slant asymptotes