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

question 73

Multiple Choice

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

• A) \(\mathrm { f } ^ { - 1 } ( \mathrm { x } ) = \frac { 8 } { 5 \mathrm { x } } - \frac { 1 } { 5 }\)
• B) \(\mathrm { f } ^ { - 1 } ( \mathrm { x } ) = \frac { 1 } { 5 } - \frac { 8 } { 5 \mathrm { x } }\)
• C) \(f ^ { - 1 } ( x ) = \frac { 5 x + 1 } { 8 }\)
• D) \(\mathrm { f } ^ { - 1 } ( \mathrm { x } ) = \frac { 8 } { 5 \mathrm { y } } - \frac { 1 } { 5 }\)

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