Answer
AUB = {1, 2, 3, 4, 5, 6, 7, 8, 9}
Work Step by Step
A = {1, 2, 3, 4, 5, 6, 7, 8, 9}
B = {2, 4, 6, 8}
AUB is the union of A and B. The union is the set of items in either A or B. Thus, AUB = {1, 2, 3, 4, 5, 6, 7, 8, 9}.
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