Let f(x)=y
f^-1(x)=x
y=1/(x+5) - 1
y+1=1/(x+5)
(x+5)=1/(y+1)
x=1/(y+1)-5
f^-1(x)=1/(x+1) -5
denominator cannot equals to zero
x+1≠0
x≠-1
answer
B
The key is to cross 1 number from both sides till you get to the middle last number so the answer is 4
Answer:
My guy, it's C...
Step-by-step explanation:
U asked this already XD
