The following ordered pairs (x, y) define the relation Q.
Q={(-1,4), (-2,3), (4, 4), (2, - 2)}
Is Q a function?
Yes, because there is exactly one y-value for every x-value.
O Yes, because there is exactly one x-value for every y-value.
O No, because there is more than one x-value for some y-values.
No, because there is more than one y-value for every x-value.