If n(A) = 1 and n(B) = 3, how many binary relations are there from A to B?

  1. 7
  2. 8
  3. 3
  4. 16
Answer

B) 8

A relation is any subset of A B, which has 3 elements, so there are 2^3 = 8 relations. SLO M-09-A-15 · Knowledge

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