SOLUTION: (f-g)(-2) when f(x) = 4x²-4, g(x) = x+4

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Question 416970: (f-g)(-2) when f(x) = 4x²-4, g(x) = x+4
Answer by Gogonati(855) About Me  (Show Source):
You can put this solution on YOUR website!
Solution; f(x)-g(x)=4x^2-4-(x+4)=4x^2-4-x-4=4x^2-x-8
(f-g)(-2)=4(-2)^2-(-2)-8=16+2-8=18-8=10.