Algebra-2

Question Analysis
This question tests the ability to determine the range of a relation from a graph. The student must identify the set of all output values (y-coordinates) from the given points.

Key Concept Explanation
The range of a relation is the set of all output values (y-coordinates) in the graph. In this case, the y-coordinates are 20, 40, 60, and 80.

Step-by-step Solution
1. Identify the points on the graph: , ,