## Precalculus (6th Edition) Blitzer

Published by Pearson

# Chapter 1 - Section 1.2 - Basics of Functions and Their Graphs - Exercise Set - Page 180: 111

#### Answer

An equation involving the variables $x$ and $y$ is a function if, after solving for $y$ in terms of $x$, every value of $x$ gives only one value of $y$.

#### Work Step by Step

An equation involving the variables $x$ and $y$ is a function if, after solving for $y$ in terms of $x$, every value of $x$ gives only one value of $y$.

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