Question

is this relation a function? Justify your answer A: Yes, because every x- and y-value is positives B: Yes, because the number of x-values is the same as the number of y-values. C: No, because two points with the same x-value have different y-values. D: No, because two points with the same y-value have different x-values. D

Answer 1

Answer is c :]
If you need to know why then if u do the vertical line test two points cant touch at the same time, hope that helps!