Look at this table. y -1 1 -2 2 -3 3 -4 1 Which of these explains why the table does or does not represent a function? A. The table does represent a function because each y-value is positive. B. w The table does not represent a function because each x-value is negative. The table does represent a function because each x-value has exactly one y-value. D. The table does not represent a function because there are two different x-values that have the same y-value.