If the Function Is One-To-One, Find Its Inverse $$f ( x ) = ( x + 8 ) ^ { 2 }$$

question 195

Multiple Choice

If the function is one-to-one, find its inverse. If not, write ʺnot one-to-one.ʺ
- $$f ( x ) = ( x + 8 ) ^ { 2 }$$

• A) \(\mathrm { f } ^ { - 1 } ( \mathrm { x } ) = \sqrt { \mathrm { x } - 8 }\)
• B) \(f ^ { - 1 } ( x ) = \sqrt { x } - 8\)
• C) not a one-to-one
• D) \(f ^ { - 1 } ( x ) = \frac { 1 } { \sqrt { x - 8 } }\)

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