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

If the function is one-to-one, list the inverse function by switching coordinates or inputs and outputs.
- $f = \{ ( 6,1 ) , ( - 4,2 ) , ( - 6,3 ) , ( - 8,4 ) \}$

A) $f ^ { - 1 } = \{ ( 1,6 ) , ( 2 , - 4 ) , ( 3 , - 6 ) , ( 4 , - 8 ) \}$
B) not one-to-one
C) $f ^ { - 1 } = \{ ( 2,1 ) , ( 4 , - 6 ) , ( 6 , - 6 ) , ( 2,3 ) \}$
D) $f ^ { - 1 } = \{ ( 2,1 ) , ( 1 , - 6 ) , ( 6 , - 4 ) , ( 2,3 ) \}$

Correct Answer:

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