Question

Given that f(x) = 6(x - 1). Choose the correct statement.

Answer 1

Given:-

`f(x)=6(x-1)`

To find:-

`f^(-1)(12)`

So now,

`\begin{gathered} y=6(x-1) \\ y=6x-6 \\ y+6=6x \\ x=(y+6)/(6) \end{gathered}`

So now,

`f^(-1)(12)=(12+6)/(6)=(18)/(6)=3`

So the correct option is option c.