A function is when the y never repeats
(this is shown using the vertical line test because if the y repeated a vertical line test would touch the graph twice)
since it passes the test the answer is D
Answer:
D) Yes, because it passes the vertical line test.
Step-by-step explanation:
The vertical line test is when you run your pencil across the graph vertically and see if the line does not repeat itself, in this case it doesn't. :) goodluck
