+0

Help ASAP I tried a lot of ways I just couldn't find the correct answer!

0
141
3

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

Aug 4, 2021

#1
+35234
0

What answers did you get so far?

Aug 4, 2021
#2
+35234
+1

f(-2) =  -1/2 +  (-1/2 / (1-1/2) )

= - 1/2  +  ( -1) = - 3/2

for the second part sub in   -2/3    for     x-1

Aug 4, 2021
#3
0

you got it wrong the second part should have been -3/2 instead of -2/3 the answer is -8/3

Aug 5, 2021