If the Function Is One-To-One, List the Inverse Function by Switching

question 42

Multiple Choice

If the function is one-to-one, list the inverse function by switching coordinates or inputs and outputs.
- $$f = \{ ( 9 , - 5 ) , ( 4,17 ) , ( - 18,11 ) \}$$

• A) \(f ^ { - 1 } = \{ ( - 5,9 ) , ( 17,4 ) , ( 11 , - 18 ) \}\)
• B) \(\mathrm { f } ^ { - 1 } = \{ ( - 5,9 ) , ( - 18,4 ) , ( 11,17 ) \}\)
• C) \(\mathrm { f } ^ { - 1 } = \{ ( 9,17 ) , ( 9,4 ) , ( 11 , - 18 ) \}\)
• D) not one-to-one

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