SOLUTION: I'm not sure on how to solve this equation: f(x)=4x+7 and g(x)= 3x-5 find (gxf)(-4)

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Question 1041800: I'm not sure on how to solve this equation:
f(x)=4x+7 and g(x)= 3x-5 find (gxf)(-4)
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
f(x)=4x+7 and g(x)= 3x-5 find (gxf)(-4)
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(g*f)(x) = (4x+7)(3x-5) = 12x^2 + x -35
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(g*f)(-4) = 12(-4)^2 + (-4) - 35 = 12*16 -39 = 153
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Cheers,
Stan H.
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