15 points
{(0, 2), (4, 2), (3, 2), (5, 1), (6, 2)}
a. what is the domain of the relation
b. what is the range of the relation
c. is the relation a function? explain your answer.

The domain satisfies all of the x coordinates: (0, 3, 4, 5, 6) in order from least to greatest. The range satisfies all the y coordinates: (1,2) (You don't have to restate the 2)
Yes that relation is a function. The only time a relation is not a function is if you "reuse" an x value. In other words, a single x value cannot share more than one y value.

The correct answer will be d. -4

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