Solve the Problem $- 2$ Dress in Country $\mathrm { C }$

question 9

Multiple Choice

Solve the problem.
-A size $- 2$ dress in Country $\mathrm { C }$ is size $- 20$ in Country D. A function that converts dress sizes in Country C to those in Country $D$ is $f ( x ) = x - 22$ . Find a formula for the inverse of the function described.

• A) \(f ^ { - 1 } ( x ) = x + 22\)
• B) \(\mathrm { f } ^ { - 1 } ( \mathrm { x } ) = \frac { \mathrm { x } } { 22 }\)
• C) \(f ^ { - 1 } ( x ) = x - 22\)
• D) \(\mathrm { f } ^ { - 1 } ( \mathrm { x } ) = \frac { \mathrm { x } } { - 22 }\)

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