Find the Inverse of the One-To-One Function $$f ( x ) = \frac { 5 } { 3 x + 7 }$$

question 203

Multiple Choice

Find the inverse of the one-to-one function.
- $$f ( x ) = \frac { 5 } { 3 x + 7 }$$

• A) \(\mathrm { f } ^ { - 1 } ( \mathrm { x } ) = \frac { 5 } { 3 \mathrm { x } } - \frac { 7 } { 3 }\)
• B) \(\mathrm { f } ^ { - 1 } ( \mathrm { x } ) = \frac { 5 } { 3 \mathrm { y } } - \frac { 7 } { 3 }\)
• C) \(\mathrm { f } ^ { - 1 } ( \mathrm { x } ) = \frac { 3 x + 7 } { 5 }\)
• D) \(\mathrm { f } ^ { - 1 } ( \mathrm { x } ) = \frac { 7 } { 3 } - \frac { 5 } { 3 \mathrm { x } }\)

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