If the following defines a one-to-one function, find its inverse. If not, write "Not one-to-one."{(3, -5), (5, -3), (9, 2), (-9, -2)}
A. {(-5, 3), (-3, 5), (2, 9), (-2, -9)}
B. {(-2, 9), (9, 5), (-5, 3), (2, -9)}
C. Not one-to-one
D. {(-2, 9), (-3, 5), (-5, 5), (2, -9)}
Answer: A
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