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Help pleas with this problem?!?

0 votes

Find (g*f)(x).
f(x)=3x+4
g(x)=7x-9

functions
composite

asked Nov 10, 2013 in ALGEBRA 1 by abstain Rookie

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1 Answer

0 votes

f×g)(x) = [f(x)][g(x)]

= (3x + 4)(7x-9)

=21x^2-27x+28x-36

=21x^2-x-36

answered Nov 10, 2013 by bradely Mentor

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