Question

for each function graphed below, state whether it is one - to - one. graph 1 graph 2 graph 3 one - to - one? yes no yes no yes no

Explanation:

Graph 1

Step1: Apply horizontal line test

A horizontal line (e.g., \(y = 3\)) intersects the graph at two points.

Graph 2

Step1: Apply horizontal line test

Any horizontal line intersects the graph at most one point.

Graph 3

Step1: Apply horizontal line test

A horizontal line (e.g., \(y = 2.5\)) intersects the graph at two points.

Answer:

Graph 1: No, Graph 2: Yes, Graph 3: No