Find the Inverse of the Function $$f ( x ) = \frac { 4 } { x + 7 }$$

question 64

Multiple Choice

Find the inverse of the function.
- $$f ( x ) = \frac { 4 } { x + 7 }$$

• A) \(f ^ { - 1 } ( x ) = \frac { x } { 7 + 4 x }\)
• B) \(\mathrm { f } ^ { - 1 } ( \mathrm { x } ) = \frac { 7 + 4 \mathrm { x } } { \mathrm { x } }\)
• C) Not a one-to-one function
• D) \(f ^ { - 1 } ( x ) = \frac { - 7 x + 4 } { x }\)

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