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Mathematics 9 Online
OpenStudy (kj4uts):

For f(x)=2x+1 and g(x)=x^2-7, find (f * g)(x). a. 3x^2+7x-6 b. 2x^2-13 c. 2x^3-x^2-7x-7 d. 2x^3+x^2-14x-7 I think it's d. just want to confirm this is a new concept to me!

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