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4 votes
(-20, 12)

(17, 2)
(-11, 8)
(17, 8)
(11, 2)
Is this relation a function?

1 Answer

3 votes

Answer:

No because x-coordinate 17 appears twice.

Explanation:

In a function, no two ordered pairs can have the same x-coordinate.

Here, points (17, 2) and (17, 8) have 17 as the x-coordinate. Since the same x-coordinate, 17, is used more than once, this relation is not a function.

User Alex Kuhl
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