Question

How do you find the inverse of `f (x) = 1/3 x +2`?

Answer 1

`color(white)(xx)f^-1(x)=3x-6`

Explanation:

`color(white)(xx)f(x)=1/3x+2`

`=>y=1/3x+2`
`=>1/3x+2color(red)(-2)=ycolor(red)(-2)`
`=>color(red)(3xx)1/3x=color(red)(3xx)(y-2)`
`=>f^-1(x)=3x-6`