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

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) (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
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