A One-To-One Function Is Given $$f ( x ) = \frac { 6 - x } { 2 }$$

Multiple Choice

A one-to-one function is given. Write an expression for the inverse function.
- $$f ( x ) = \frac { 6 - x } { 2 }$$

A) $f ^ { - 1 } ( x ) = \frac { 6 - 2 x } { x }$
B) $f ^ { - 1 } ( x ) = 6 - 2 x$
C) $f ^ { - 1 } ( x ) = 6 + 2 x$
D) $f ^ { - 1 } ( x ) = \frac { 6 + 2 x } { x }$