Question

Which represents the inverse of the function f(x) = 4x?

•
O h(x) = x + 4
O h(x) = x-4
O h(x) = 3/4x
O h(x) = 1/4x

Answer 1

`{f}^( - 1) (x) = (1)/(4) x` (last/fourth option)

Explanation:

`f(x) = 4x`

`y = 4x`

`x = 4y`

`4y = x`

`\boxed{\green{{f}^( - 1) (x) = (1)/(4) x}}`