alleryIf $n(A)=2$ and $n(B)=3$, the number of relations from $A$ to $B$ is:
A9
B6
C64
D8
Answer & Solution
Correct answer: C. 64
A relation from A to B is any subset of A×B; number = 2^{n(A)·n(B)} = 2⁶ = 64.
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