Question

1. A = [5, 6, 7, 8, 9, 10} and B = {2,3, 4, 5, 11, 12, 13).
What is A U B? (1 point)
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What is A n B? (1 point)

Answer 1

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Answer:

  A ∪ B = {2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}

  A ∩ B = {5}

Step-by-step explanation:

If an element is in either A or B, it is in A ∪ B.

  A ∪ B = {2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13}

If an element is in both A and B, it is in A ∩ B.

  A ∩ B = {5}