If n(A) = 2 and n(B) = 2, how many binary relations are there from A to B?

  1. 17
  2. 16
  3. 4
  4. 15
Answer

B) 16

A relation is any subset of A B, which has 4 elements, so there are 2^4 = 16 relations. SLO M-09-A-15 · Knowledge

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