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# Chapter 3: Functions and Graphs

Difficulty Level: Advanced Created by: CK-12

## Introduction

Here you'll learn the difference between a function and a relation. You will explore both linear and quadratic functions.

Chapter Outline

## Summary

You learned what makes a relation a function. You reviewed the Cartesian plane and how to plot points. You learned how to analyze a function's domain and range.

You explored linear functions and how to graph them using a table of values or intercepts. You also explored quadratic functions. You learned how to transform quadratic functions and write the equation of a parabola in vertex form.

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