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