SOLUTION: f(x)=2x + 1 and g(x)=2x(squared) + x Determine the following: #13 (f of g)(2)

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Question 44026: f(x)=2x + 1 and g(x)=2x(squared) + x
Determine the following:
#13 (f of g)(2)
Answer by Nate(3500) About Me  (Show Source):
You can put this solution on YOUR website!
f(x)=2x + 1 and g(x)=2x(squared) + x
[f o g](2) plug g(x) into f(x)
f(x)=2x + 1
f(x)=2(2x^2 + x) + 1
f(x)=4x^2 + 2x + 1
f(2)=4(2^2) + 2(2) + 1
f(2)=16 + 4 + 1
f(2)=21