Precalculus with Calculus Previews, 6th Edition

1  Inequalities, Equations, and Graphs

Chapter Contents

1.1    The Real Line

1.2    Absolute Value

1.3    The Rectangular Coordinate System

1.4    Circles and Graphs

1.5     Algebra and Limits

Chapter 1 Review Exercises

1.1  The Real Line

INTRODUCTION In calculus you will study quantities described by real numbers. Therefore, we begin with a review of the set of real numbers using the terminology and notation you will encounter in calculus.

▯ Real Number System Recall that the set R of real numbers consists of numbers that are either rational or ...