The union of two sets is a new set that contains all of the elements that are in at least one of the two sets. The union is written as \(A \cup B\) or “\(A \text{ or } B\)”. The intersection of two sets is a new set that contains all of the elements that are in both sets.
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Answer:
The union of two sets is a new set that contains all of the elements that are in at least one of the two sets. The union is written as \(A \cup B\) or “\(A \text{ or } B\)”. The intersection of two sets is a new set that contains all of the elements that are in both sets.