Question 403 of 480
For sets A = {1, 2, 3, 4, 5} and B = {3, 4, 5, 6, 7}, what is A ∪ B?
- {3, 4, 5}
- {1, 2, 3, 4, 5, 6, 7}
- {1, 2, 6, 7}
- {1, 2, 3, 4, 5}
Correct Answer:
B
Explanation
The union includes every element that appears in A, in B, or in both, without duplication.