SOLUTION: Given f(x) = 5x + 7 and g(x) = x^2 + 7, find (g o f) (Composite functions)

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Question 7546: Given f(x) = 5x + 7 and g(x) = x^2 + 7, find (g o f)
(Composite functions)
Found 2 solutions by Earlsdon, Merhuza:
Answer by Earlsdon(6294) About Me  (Show Source):
You can put this solution on YOUR website!
If f%28x%29=+5x%2B7 and g%28x%29+=+x%5E2%2B7 Then g o f is g(f(x)).
g%28f%28x%29%29+=+g%285x%2B7%29 = %285x%2B7%29%5E2+%2B+7 = %2825x%5E2+%2B+70x+%2B+49%29+%2B+7= 25x%5E2+%2B+70x+%2B+56

Answer by Merhuza(5) About Me  (Show Source):
You can put this solution on YOUR website!
25x^2+70x+56