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December 20, 2014

December 20, 2014

Posted by **lindsay** on Friday, December 7, 2012 at 4:20pm.

- math -
**Steve**, Friday, December 7, 2012 at 4:46pmone way: graph both functions and see where one is above the other. Visit

http://rechneronline.de/function-graphs/

and you can graph up to three functions at once. Set the y range for -20 to 20.

algebraic way:

2x^2+3x > 10x-x^2

3x^2 - 7x > 0

x(3x-7) > 0

either both factors are negative, or both are positive:

x is in (-∞,0) U (7/3,∞)

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