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January 28, 2015

January 28, 2015

Posted by **Loren** on Wednesday, May 25, 2011 at 12:45pm.

y=x

y=2x+1

y=x to the second power

- algebra -
**MathMate**, Thursday, May 26, 2011 at 8:16amHint: Use the horizontal test:

If you draw a horizontal line through the function, and it is possible to intersect the function at more than one point, then the inverse is not a function.

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