## College Algebra (6th Edition)

Published by Pearson

# Chapter 2 - Functions and Graphs - Exercise Set 2.1: 1

#### Answer

The relation is a function. Domain: 1, 3, 5; Range: 2, 4, 5.

#### Work Step by Step

Since there is only one $y$ for each $x$, the relation is a function. The Domain is the set of all $x$'s, or what "you start with". The Range is the set of all $y$'s, or what "you end up with", after each member of the Domain has been changed by the function.

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