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

question 271

Multiple Choice

If the function is one-to-one, find its inverse. If not, write "not one-to-one."
- $$f ( x ) = \frac { 8 } { x + 8 }$$

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

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