SOLUTION: Find (fog).. when f(x)=x^2+1 and g(x)=x-4

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Question 880161: Find (fog).. when f(x)=x^2+1 and g(x)=x-4
Answer by jim_thompson5910(35256) About Me  (Show Source):
You can put this solution on YOUR website!
(f o g)(x) is the same as f(g(x))


f(x) = x^2+1


f(g(x)) = (g(x))^2+1


f(g(x)) = (x-4)^2+1


f(g(x)) = x^2-8x+16+1


f(g(x)) = x^2-8x+17


(f o g)(x) = x^2-8x+17