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

question 12

Multiple Choice

If the function is one-to-one, list the inverse function by switching coordinates or inputs and outputs.
- $$f = \{ ( 6 , - 2 ) , ( 9 , - 1 ) , ( 7,0 ) , ( 5,1 ) \}$$

• A) \(\mathrm { f } ^ { - 1 } = \{ ( - 1 , - 2 ) , ( - 2,7 ) , ( 6,9 ) , ( - 1,0 ) \}\)
• B) \(\mathrm { f } ^ { - 1 } = \{ ( - 1 , - 2 ) , ( 1,7 ) , ( 6,7 ) , ( - 1,0 ) \}\)
• C) \(\mathrm { f } ^ { - 1 } = \{ ( - 2,6 ) , ( - 1,9 ) , ( 0,7 ) , ( 1,5 ) \}\)
• D) not one-to-one

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