If the Function Is One-To-One, Find Its Inverse $$f ( x ) = 7 x - 4$$

question 352

Multiple Choice

If the function is one-to-one, find its inverse. If not, write "not one-to-one."
- $$f ( x ) = 7 x - 4$$

• A) \(f ^ { - 1 } ( x ) = \frac { x - 4 } { 7 }\)
• B) not a one-to-one
• C) \(f ^ { - 1 } ( x ) = \frac { x + 4 } { 7 }\)
• D) \(\mathrm { f } ^ { - 1 } ( \mathrm { x } ) = \frac { \mathrm { x } } { 7 } + 4\)

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