The Function F Is One-To-One $$f ( x ) = \frac { 4 } { x }$$

question 189

Multiple Choice

The function f is one-to-one. Find its inverse.
- $$f ( x ) = \frac { 4 } { x }$$

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

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