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4 cards from this section. Quick, good the night before a test.
What is the union of the sets A = {1} and B = {2}?
Combine all elements from both sets.
Find the intersection of A = {1, 2} and B = {2, 3}.
Look for elements that both sets share.
What is the union of the sets A = {1, 2} and B = {3, 4}?
Think about combining the two lists.
True or False: The intersection of A = {5} and B = {1, 2, 3} is {5}.
Which elements do both sets share?
Let Set A = {2, 4, 6, 8} and Set B = {3, 4, 5, 6}. Show the results of A ∪ B, A ∩ B, and A - B.
Remember to combine elements for union, find overlaps for intersection, and remove for difference.
If U = {1, 2, 3, 4, 5, 6} and A = {1, 2, 6}, find the complement A'.
What elements are missing from Set A when compared to the universal set U?
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