1. yes each x value has a unique y value
2.yes each y value has a unique x value
3.no 2 points have different y values for the same x value of 2
4. no two points have different x values for the same y value of 2

1 yes each x value has a unique y value 2yes each y value has a unique x value 3no 2 points have different y values for the same x value of 2 4 no two points ha class=

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I don’t even know how to do it
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