Question

If f(x)=5x, what if f^-1(x)

Answer 1

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

Explanation:

let y = f(x), that is

y = 5x ← swap the variables and solve for y

x = 5y ← divide both sides by 5

y =
`(x)/(5)`, hence

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