Question

If f(x)=5x-1, then f^-1(x)=

Answer 1

-6

Explanation:

if f(x)=-1

then you plug -1 into the equation then you get 5(-1)-1

then multiply 5 and -1 and get -5

so now youre left with -5-1

-5-1= -6

Answer 2

F⁻¹(x) =
`(1)/(5) x +1`

Explanation:

Inverse of 5 would be 1/5, and

Inverse of -1 would be +1

Hope this helps!