Algebra-1

Question Analysis
This question tests the student's understanding of the union of two sets. The union includes all elements that are in either set or in both.

Key Concept Explanation
The union of two sets and , denoted as , is the set of all elements that are in , in , or in both.

Step-by-step Solution
1. Identify the elements in set :
2. Identify the elements in set :

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