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October 22, 2014

October 22, 2014

Posted by **anna** on Friday, February 22, 2013 at 8:51pm.

i dont even know where to start with this question help is much needed

- Math f(x) -
**Steve**, Saturday, February 23, 2013 at 4:57amwell, you know

f(x) = x^2+x, so

f(g) = g^2+g

But, g = 2x+1, so

f(g) = (2x+1)^2 + (2x+1) = 4x^2 + 6x + 2

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