SOLUTION: Let f(x)=5x+2 and g(x)=2x^2+3x. (f*g)(7)=

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Question 1035041: Let f(x)=5x+2 and g(x)=2x^2+3x.
(f*g)(7)=
Answer by Cromlix(4381) About Me  (Show Source):
You can put this solution on YOUR website!
Hi there,
Let f(x)=5x+2 and g(x)=2x^2+3x.
(f*g)(7)=
(5x + 2)(2x^2 + 3x)
10x^3 + 15x^2 + 4x^2 + 6x
10x^3 + 19x^2 + 6x
10(7)^3 + 19(7)^2 + 6(7)
=4403
Hope this helps :-)