Saturday

April 19, 2014

April 19, 2014

Posted by **Lindsay** on Sunday, December 1, 2013 at 8:07pm.

- Math -
**Damon**, Sunday, December 1, 2013 at 8:15pm(x+h)^2-x^2 = x^2 + 2 x h + h^2 - x^2

or in other words 2 x h + h^2

or h (2 x + h)

divide that by h

2x+h

limit as h ---> 0 is

2 x

so

f(x) = 2 x as h--->0

4 = 2 x

x = 2

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