f A = {11, 27, 28}, and B = {23, 11, 26}, then determine [A B)]. Ops: A. {23, 26} B. {23, 11, 26, 27, 28} C. {26, 27} D. {11}
Question
If A = {11, 27, 28}, and B = {23, 11, 26}, then determine [A B)]
Ops:
A. {23, 26}
B. {23, 11, 26, 27, 28}
C. {26, 27}
D. {11}
Solution
The question seems to be asking for the union of sets A and B, denoted as A ∪ B. The union of two sets is the set of all distinct elements present in both sets.
Here's how you can determine it:
- List all the elements in set A: 11, 27, 28
- List all the elements in set B: 23, 11, 26
- Combine all the elements from both sets, removing any duplicates: 11, 27, 28, 23, 26
So, [A ∪ B] = {11, 27, 28, 23, 26}
Therefore, the correct answer is B. {23, 11, 26, 27, 28}
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