If the following defines a one-to-one function, find its inverse. If not, write "Not one-to-one."{(-9, 8), (9, -8), (-7, -6), (7, 6)}
A. Not one-to-one
B. {(8, -9), (-9, 9), (-6, -7), (6, 7)}
C. {(8, -9), (-8, 9), (-6, 9), (6, 7)}
D. {(8, -9), (-8, 9), (-6, -7), (6, 7)}
Answer: D
Mathematics
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A. 1
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C. 
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