SOLUTION: Find f(f(x)) for f(x)=(1)/(x+1)

SOLUTION: Find f(f(x)) for f(x)=(1)/(x+1)

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Question 26159: Find f(f(x)) for f(x)=(1)/(x+1)
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
f(x)=1/(x+1)
f[f(x)]=1/[[(1/(x+1)] + 1]
=1/(1+x+1)/(x+1)
=1/(x+2)/(x+1)
=(x+1)/(x+2)
Cheers,
Stan H.

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