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Questions and Answers
What is the set of all elements that are in A or in B or in both?
What is the set of all elements that are in A or in B or in both?
- A ∩ B
- A ∪ B (correct)
- A - B
- B - A
What is the set of all elements that are in A but not in B?
What is the set of all elements that are in A but not in B?
- A - B (correct)
- A ∪ B
- B - A
- A ∩ B
What is the set of all elements that are in the universal set U but not in A?
What is the set of all elements that are in the universal set U but not in A?
- A^c (correct)
- A - B
- A ∩ B
- A ∪ B
What is the notation for 'x is r-related to y' in a relation r from a set A into a set B?
What is the notation for 'x is r-related to y' in a relation r from a set A into a set B?
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What is the set of all ordered pairs 〈x, y〉 where x is in A and y is in B?
What is the set of all ordered pairs 〈x, y〉 where x is in A and y is in B?
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