Question

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

Answer 1

answer choices
A. 10
B. 6
C. 4
D. 0

Answer 2

@jim_thompson5910

Answer 3

@jdoe0001

Answer 4

f(-1) times 5 ?

Answer 5

f(-1) is the inverse my teacher said

Answer 6

http://coolmath.com/algebra/16-inverse-functions/05-how-to-find-the-inverse-of-a-function-01.htm

Answer 7

Is this what you got?\[f\, ^{-1}[x]=x-9 \]

Answer 8

I still don't understand because I tried yes but I cant get it to fit one of my answer choice

Answer 9

@wolf1728

Answer 10

sorry wesnik23 - I don't do well with these function of functions problems.
:-(

Answer 11

ok thank you though maybe next time