Does the following list of ordered pairs represent of function? Why or why nor?
{(1, 6), (2,6), (3,0), (3, -6) (4,11)}
Yes because every x-value about corresponds to exactly y-value.
Yes because there are the same number of x-values as y-values
No because one x-value corresponds to two different y-values.
No because two of the y-values are the same.