Question

For the function f(x) = x + 9, find (f o f-1)(5)

A. 10
C. 0
D. 4

Answer 1

@agent0smith

Answer 2

for inverse functions, \[\Large (f o f^{-1}) (x) = x\]

Answer 3

eg.

\[\Large (f o f^{-1}) (-7) = -7\]

Answer 4

\[\Large (f o f^{-1}) (5) = ???\]

Answer 5

5?