Algebra-2

Question Analysis
This question tests the student's ability to identify the domain of a relation given in the form of ordered pairs. The domain is the set of all input values (x-coordinates) in the ordered pairs.

Key Concept Explanation
The domain of a relation is the set of all first elements (x-values) in the ordered pairs. In this case, the x-values are 2, 4, and 6.

Step-by-step Solution
1. Identify the x-values from the ordered pairs: (2, 5), (4, 7), (6, 9).
2. List the x-values: 2, 4, 6.
3. Arrange these values in a set:

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