Question

If A = {1, 2, 3, 4} and B = {3, 4, 5, 6}, find A union B.

Solution

1. A union B contains every element in A or B without repetition.
2. Combine the elements: 1, 2, 3, 4, 5, and 6.
3. A union B = {1, 2, 3, 4, 5, 6}.