Find the Inverse of the Function $$f ( x ) = \frac { 8 x + 1 } { - 5 x - 4 }$$

question 212

Multiple Choice

Find the inverse of the function.
- $$f ( x ) = \frac { 8 x + 1 } { - 5 x - 4 }$$

• A) \(\mathrm { f } ^ { - 1 } ( \mathrm { x } ) = \frac { - 5 \mathrm { x } - 8 } { 4 \mathrm { x } + 1 }\)
• B) \(f ^ { 1 } ( x ) = \frac { 4 x + 1 } { - 5 x - 8 }\)
• C) Not a one-to-one function
• D) \(f ^ { - 1 } ( x ) = \frac { 8 x + 1 } { - 5 x - 4 }\)

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