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

question 112

Multiple Choice

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

• A) \(\mathrm { f } ^ { - 1 } ( \mathrm { x } ) = \frac { 4 \mathrm { x } - 1 } { 5 }\)
• B) \(f ^ { - 1 } ( x ) = \frac { 4 } { 5 x - 1 }\)
• C) \(f ^ { - 1 } ( x ) = \frac { 4 x + 1 } { 5 }\)
• D) \(\mathrm { f } ^ { - 1 } ( \mathrm { x } ) = \frac { 4 } { 5 \mathrm { x } + 1 }\)

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