Algebra-1

Question Analysis
This question tests the student's understanding of the Vertical Line Test by focusing on the condition where every vertical line intersects the graph at most once.

Key Concept Explanation
The Vertical Line Test states that if every vertical line intersects the graph at most once, the graph is a function. This is because a function must have each input (x-value) corresponding to exactly one output (y-value).

Step-by-step Solution
1. Identify the graph to be tested.
2. Draw multiple vertical lines across the entire do...