Does this table represent a function? Why or why not?
х
у
2.
1
2
4
3
4
4
2
5
5
A. No, because one x-value corresponds to two different y-values.
B. Yes, because every x-value corresponds to exactly one y-value.
C. Yes, because there are two x-values that are the same.
D. No, because two of the y-values are the same.