SOLUTION: I need help answering f(x)=x^2+3 and g(x)=-x+9 find(g-f)(-8)

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Question 1028288: I need help answering f(x)=x^2+3 and g(x)=-x+9 find(g-f)(-8)
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
I need help answering f(x)=x^2+3 and g(x)=-x+9 find(g-f)(-8)
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That's f(-8) - g(-8)
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f(x) = x^2+3
Sub -8 for any x
f(-8) = (-8)^2 + 3 = 67
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g(x) = -x + 9
g(-8) = -(-8) + 9 = 17
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(g-f)(-8) = 17 - 67 = -50