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Precalculus with Calculus Previews, 6th Edition by Dennis G. Zill, Jacqueline M. Dewar

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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    Image 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 ...

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