Determine Whether the Given Function Is One-To-One $$f ( x ) = ( x - 9 ) ^ { 2 }$$

question 11

Multiple Choice

Determine whether the given function is one-to-one. If so, find a formula for the inverse.
- $$f ( x ) = ( x - 9 ) ^ { 2 }$$

• A) \(f ^ { - 1 } ( x ) = \frac { 1 } { \sqrt { x + 9 } }\)
• B) \(\mathrm { f } ^ { - 1 } ( \mathrm { x } ) = \sqrt { \mathrm { x } } + 9\)
• C) \(f ^ { - 1 } ( x ) = \sqrt { x + 9 }\)
• D) Not a one-to-one function

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