The Graph of a Function

FIU has online movies to help with this topic on this page. You must have QuickTime Player, a free download, installed on your computer.

The University of Idaho provides another online resource.  These lectures are only viewable by those with DSL or cable modems.  Real Player, a free download, is required to see these videos. The videos cover the topics below. To see the videos, go to this page and look under section 3.2.
Finding the Domain and Range of a Function when given the Graph of a Function

Joliet Junior College has online videos as well.
Identify the graph of a function
Obtain information from or about the graph of a function

Other online help:
Practice problems for Vertical line test