Answer:
This answer is a function because there are no repeating x values. It is okay if there are repeating y values, the x values are the problem. This one has no repeats though so it is a function!
Step-by-step explanation:
Answer: A. It is a function
Step-by-step explanation:
Functions can’t have the the same x value. Each x value needs to be a different number, so this is a function.