Question

If f(x) = 5x + 4, which of the following is the inverse of f(x)

Answer 1

I WOULD SAY THAT THE ANSWER IS C

Explanation:

I GOT IT FROM A

P

E

X

Answer 2

f^-1 (x)=1/5x-4/5

Explanation:

y=5x+4

x=5y+4

5y=x-4

y=1/5x-4/5