Friday, April 4, 2014

Let f(x)=x^2+4 and g(x)=2x+3 Find the expression. (g*f)(x)

 (g*f)(x)=
g(x)*f(x)=
(2x+3)(x^2+4)=
2x(x^2+4)+3(x^2+4)=
2x^3+8x+3x^2+12= 

2x%5E3%2B3x%5E2%2B8x%2B12
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