Try It Now

Work these exercises to see how well you understand this material.

Solutions

  1. Answer:
    1. {2, 3}
    2. {0, 2, 3}
    3. {0, 2, 3}
    4. {0, 1, 2, 3, 5, 9}
    5. {0}
    6. ∅
    7. {1, 4, 5, 6, 7, 8, 9}
    8. {0, 2, 3, 4, 6, 7, 8}
    9.  ∅
    10. {0}

  2. Answer: These are all true for any sets A, B, and C.

  3. Answer:
    1. {1,4} ⊆ A ⊆ {1, 2, 3, 4}
    2. {2} ⊆ A ⊆ {1, 2, 4, 5}
    3. A = {2, 4, 5}

  4. Answer: