Is the relation shown below a function? Use the graph and justify your answer. (0, 0), (2, 0), (2, 2), (3, 4) and (6, 6) A coordinate plane with 4 points plotted: one is at the origin, one is 2 units to the left of the origin on the x axis, one is 2 units above the last point, and one is 4 units above and 3 units to the right of the origin. Yes, each x-value has a unique y-value. Yes, each y-value has a unique x-value. No, two points have different y-values for the same x-value of 2. No, two points have different x-values for the same y-value of 2.