SOLUTION: I'm having lots of trouble with this problem! Anyone who can help it would be great! THANKS! If f(x)= 5x+7 and g(x)=x-4, find (f*g)(x) and (g*f)(x) (f*g)(x)=____ (g*f)(x)=___

Algebra ->  Functions -> SOLUTION: I'm having lots of trouble with this problem! Anyone who can help it would be great! THANKS! If f(x)= 5x+7 and g(x)=x-4, find (f*g)(x) and (g*f)(x) (f*g)(x)=____ (g*f)(x)=___      Log On


   



Question 865314: I'm having lots of trouble with this problem! Anyone who can help it would be great! THANKS!
If f(x)= 5x+7 and g(x)=x-4, find (f*g)(x) and (g*f)(x)
(f*g)(x)=____
(g*f)(x)=____

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
If f(x)= 5x+7 and g(x)=x-4, find (f*g)(x) and (g*f)(x)
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f*g)(x) = (g*f)(x) = (x-4)*(5x+7) = 5x%5E2+-+13x+-+28