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Find (fog)(x)and (gof)(x)if f(x)=x-x^2 and g(x)= 2x+3.

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For f(of)g(x), take (2x+3) - (2x+3)^2
(insert g(x) where the "x" is in f(x) )

For g(of)f(x), take 2[x-x^2] +3
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