If the function is one-to-one, find its inverse. If not, write "not one-to-one."{(19, 5), (10, -1), (-19, 7)}
A. not one-to-one
B. {(5, 19), (-19, 10), (7, -1)}
C. {(5, 19), (-1, 10), (7, -19)}
D. {(19, -1), (19, 10), (7, -19)}
Answer: C
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