A Size 12 Dress in Country C Is $f ^ { - 1 } ( x ) = \frac { x } { 34 }$

Multiple Choice

A size 12 dress in Country C is size -22 in Country D. A function that converts dress sizes in Country C to those in Country D is f(x) = x -34 . Find a formula for the inverse of this function.

A) $f ^ { - 1 } ( x ) = \frac { x } { 34 }$
B) $f ^ { - 1 } ( x ) = x + 34$
C) $f ^ { - 1 } ( x ) = x - 34$
D) $f ^ { - 1 } ( x ) = \frac { x } { - 34 }$