SOLUTION: Given {{{f(x)= x^2 -4x +5}}} ;g(x) = x-2 find [Fog](4) I got 1..

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Question 864792: Given f%28x%29=+x%5E2+-4x+%2B5 ;g(x) = x-2 find [Fog](4)
I got 1..
Answer by rothauserc(4718) About Me  (Show Source):
You can put this solution on YOUR website!
f(x) = x^2 -4x + 5
g(x) = x - 2
(fog)(4), first calculate (fog)(x)
(fog)(x) = (x-2)^2 -4(x-2) + 5
(fog)(x) = x^2-4x+4 -4x+8 +5
(fog)(x) = x^2 -8x +17
(fog)(4) = 16 -32 +17 = 1
you are correct