Question

1.If A = {1,2,3}, B = {3,4,5}, C = {5,6,7}, find A U B U C.
A. {1,2,3,4,5,6,7}
B. {1,2,3,4,5,6,7,8}
C. {1,2,3,3,4,5,5,6,7}
D. {3,4,5}

Answer 1

Answer:

d is a answer

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Answer 2

Answer:

correct answer is D

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