Question

For each graph below, state whether it represents a function.

Answer 1

Graph 1: No, because it fails the vertical line test.

Graph 2: No, because it fails the vertical line test.

Graph 3: Yes, because it passes the vertical line test.

Graph 4: Yes, because it passes the vertical line test.

Graph 5: No, because it fails the vertical line test.

Graph 6: Yes, because it passes the vertical line test.