The Function F Is One-To-One $$f ( x ) = 3 x + 4$$

question 291

Multiple Choice

The function f is one-to-one. Find its inverse.
- $$f ( x ) = 3 x + 4$$

• A) \(f ^ { - 1 } ( x ) = \frac { x + 4 } { 3 }\)
• B) \(f ^ { - 1 } ( x ) = \frac { x - 4 } { 3 }\)
• C) \(f ^ { - 1 } ( x ) = \frac { x } { 3 } + 4\)
• D) \(\mathrm { f } ^ { - 1 } ( \mathrm { x } ) = \frac { \mathrm { x } } { 3 } - 4\)

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