Find the inverse of the relation.{(11, 9), (-9, 18), (1, 19)}
A. {(11, 9), (-9, 18), (1, 19)}
B. {(11, 18), (11, -9), (19, 1)}
C. {(9, 11), (18, -9), (19, 1)}
D. {(9, 11), (1, -9), (19, 18)}
Answer: C
Mathematics
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