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Math Functions - MathHelp.com - Algebra Help

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Uploaded on Mar 24, 2008

For a complete lesson on math functions, go to http://www.MathHelp.com - 1000+ online math lessons featuring a personal math teacher inside every lesson! In this lesson, students learn that if the x-coordinate is different in each ordered pair in a given relation, then the relation is a function. Students also learn to use mapping diagrams and the vertical line test to determine if a relation is a function.

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