Q. Given:Set A=7,9,11Set B=3,7,8What is A∪B ?{7}{3,7,8,9}{3,7,8,9,11}{9,11}
List Elements Set A and B: First, list all the elements in Set A and Set B without repeating any numbers.A={7,9,11}B={3,7,8}
Combine Unique Elements: Now, combine all the unique elements from both sets to form the union. A∪B={3,7,8,9,11}
Check for Repeats: Check to make sure no numbers are repeated and all numbers from both sets are included.Looks good, no repeats and all numbers from A and B are there.
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