# Chapter 2 Linear Equations and Functions - 2.1 Represent Relations and Functions - 2.1 Exercises - Problem Solving - Page 78: 42

Not a function.

#### Work Step by Step

The relation is not a function because there are x values for which more than $1$ y-value belongs. E.g. to $x=24$ both $y=1$ and $y=2$ belong.

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