SOLUTION: f(x)=2x+1 and g(x)=(x-1)/2, then f(g(x)=

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Question 149393: f(x)=2x+1 and g(x)=(x-1)/2, then f(g(x)=
Answer by Earlsdon(6294) About Me  (Show Source):
You can put this solution on YOUR website!
f%28g%28x%29%29+=+f%28%28x-2%29%2F2%29 = 2%28%28x-1%29%2F2%29%2B1+=+x
So f(x) and g(x) are the inverse of each other, i.e. g%28x%29+=+f%5E%28-1%29%28x%29 and vice versa.