1. It is a well-defined group of objects that share a common characteristic.
2. It is the set that containing these elements that belong to both A and B 3. Is an illustration in which geometric figures are used to represent sets
4. Is the set that contains those elements that belong to A, B or to both
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Answer:
1.Set Letter B
2.The set A ∩ B
3.Venn Diagram
4.A ∩ B