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Mathematics, 22.10.2020 22:01 ykluhredd

Let P = {4, 5, 6, 7, 8}, Q = {5, 6, 7}, and R = {1, 2}. Find upper P union upper Q.
A. {1, 2, 4, 5, 6, 7, 8}
B. {5, 6, 7}
C. {4, 5, 6, 7, 8}
D. empty set

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Let P = {4, 5, 6, 7, 8}, Q = {5, 6, 7}, and R = {1, 2}. Find upper P union upper Q.
A. {1, 2,...

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