Question 1198378
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Assuming "Ac" is the complement of set A....<br>
(Ac) union (B): everything that is in the universal set U and is either in B or NOT in A.<br>
B: {3,5,e,f}
Ac: {2,4,5,6,d,e}<br>
ANSWER: B union Ac: {2,3,4,5,6,d,e,f}<br>