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Author:
M. J. Plott

This is a sequence of videos from Virtual Nerd that covers a variaty of topics about functions.

Virtual Nerd Videos:

- What is Domain?
- What is the Range of a Relation?
- How Do you Find the Domain and Range of a Relation?
- What’s a Function?
- How Do You Figure Out if a Relation is a Function?
- How Can You Tell if a Relation is not a Function?
- What is Function Notation?
- What’s the Vertical Line Test?
- How Do You Use the Vertical Line Test to Figure Out if a Graph is Function?

Tutorial

Source: http://www.virtualnerd.com/