The Function F Is One-To-One $$f ( x ) = \frac { 6 x + 5 } { 7 }$$

question 39

Multiple Choice

The function f is one-to-one. Find its inverse.
- $$f ( x ) = \frac { 6 x + 5 } { 7 }$$

• A) \(\mathrm { f } ^ { - 1 } ( \mathrm { x } ) = \frac { 7 \mathrm { x } - 5 } { 6 }\)
• B) \(\mathrm { f } ^ { - 1 } ( \mathrm { x } ) = \frac { 7 } { 6 x - 5 }\)
• C) \(\mathrm { f } ^ { - 1 } ( \mathrm { x } ) = \frac { 7 x + 5 } { 6 }\)
• D) \(\mathrm { f } ^ { - 1 } ( \mathrm { x } ) = \frac { 7 } { 6 x + 5 }\)

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