+0  
 
0
86
3
avatar+184 

Given that $f(x) = x^{-1} + \frac{x^{-1}}{1+x^{-1}}$, what is $f(f(-2))$? Express your answer as a common fraction.

 May 5, 2021
 #1
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-1

f(f(-2)) = 5/7.

 May 5, 2021
 #2
avatar+32312 
+3

Like so:

 

 May 5, 2021
 #3
avatar+184 
0

The answer was -8/3, thanks. 

 May 5, 2021

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