# Chapter 5 - Cumulative Review - Page 399: 7

The given relation does not represent a function because the first coordinate $3$ is paired with two different second coordinates.

#### Work Step by Step

RECALL: A function is a relation whose every first coordinate (x) is paired with only one second coordinate (y). Note that in the given relation, the first coordinate $3$ is paired with two different second coordinates ($6$ and $8$). Thus, the given relation does not represent a function.

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