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September 20, 2014

September 20, 2014

Posted by **Kathy** on Monday, July 23, 2012 at 5:17pm.

- College algebra -
**MathMate**, Monday, July 23, 2012 at 9:06pmIt is easier to tell which graph

*not*a function.

If there exists any vertical line x=k that intersects the graph at more than one point, the graph is*not*a function. This is call the vertical line test.

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