Algebra-1

Question Analysis
This question tests the student's ability to determine if a set of ordered pairs represents a function. The key concept is that a function must have a unique output for each input.

Key Concept Explanation
A function is a special type of relationship where each input (independent variable) has a unique output (dependent variable). The given set of ordered pairs can be tested by ensuring that no input has more than one output.

Step-by-step Solution
1. List the given ordered pairs:

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