Answer:
c. A∪B
Step-by-step explanation:
You want to identify the union of sets A and B.
Union
The "union" symbol is a stylized "U". The union of sets A and B is indicated as ...
A∪B . . . . choice C
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Additional comment
A∩B signifies the intersection of sets A and B.
A\B signifies the intersection of set A with the complement of set B. That is, it represents set A with the elements of set B removed.
A*B can represent the "Cartesian product" of the sets. This is a set of ordered pairs (a, b) such that a ∈ A and b ∈ B.
