Algebra-2

Question Analysis
This question evaluates the student's understanding of the domain of a relation represented by a mapping diagram.

Key Concept Explanation
The domain of a relation is the set of all first elements (input values) in the ordered pairs.

Step-by-step Solution
1. Identify the input values from the mapping diagram: 1, 3, 5, 7.
2. List the input values: 1, 3, 5, 7.
3. Arrange these values in a set:

Click "Show Answer" to reveal the answer and analysis