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A. { 7 } B. { 2, 5 } C. { 1, 2, 3, 4, 5, 6 } D. { 3, 6, 7 }

13. What is the intersection of sets A and B?

14. What is the union of sets A and B?

15. What is the complement of A?

16. What is the complement of B?

17. What is the complement of the union of sets A and B?​