This page is all about domain and range. If you take a look around the rest of the site you'll find a lot more information on functions as well as a lot of other helpful math resources.

Animated Graph Tutorials

This site explains domain and range through the use of animated graphs. Very helpful tool if your having trouble understanding the concepts.

Dr. Math On Functions and Graphs

Lots of information on the domain and range and other things you should know about functions and graphs.

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