Given A={5,10,15,20} and B={25},find A∪B.
A. {5,10,15,20,25} B. {5,10,15,20} C. { } D. {0}
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Given A={5,10,15,20} and B={25},find A∪B.
A. {5,10,15,20,25} B. {5,10,15,20} C. { } D. {0}
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Answer:
Union of two sets is simply the elements resulted from combining the two sets.
AUB= combing the elements of set A and B
AUB= {5,10,15,20,25}
so the answer is letter A