Q.

R is a relation from {11, 12, 13} to {8, 10, 12} defined by y = x – 3. The relation R – 1 is

A. {(11, 8), (13, 10)}
B. {(8, 11), (10, 13)}
C. {(8, 11), (9, 12), (10, 13)}
D. none of the above
Answer» B. {(8, 11), (10, 13)}
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