Question

determine whether each graph represents a function. select yes or no for each graph.

Explanation:

Step1: Check vertical line test (1st graph)

A function has one output per input. Draw vertical lines; one line hits multiple points.

Step2: Check vertical line test (2nd graph)

Vertical lines each hit one point only.

Step3: Check vertical line test (3rd graph)

One vertical line hits two points.

Step4: Check vertical line test (4th graph)

Vertical lines each hit one point only.

Step5: Check vertical line test (5th graph)

One vertical line hits multiple points.

Answer:

1. No
2. Yes
3. No
4. Yes
5. No