College Algebra PDF
Preview College Algebra
bar19499_fm_i-xxxii.qxd 11/18/09 4:43 PM Page i College Algebra bar19499_fm_i-xxxii.qxd 11/18/09 4:43 PM Page iii NINTH EDITION College Algebra Raymond A. Barnett Merritt College Michael R. Ziegler Marquette University Karl E. Byleen Marquette University Dave Sobecki Miami University Hamilton bar19499_fm_i-xxxii.qxd 11/18/09 4:43 PM Page iv COLLEGE ALGEBRA, NINTH EDITION Published by McGraw-Hill, a business unit of The McGraw-Hill Companies, Inc., 1221 Avenue of the Americas, New York, NY 10020. Copyright © 2011 by The McGraw-Hill Companies, Inc. All rights reserved. Previous editions © 2008, 2001, and 1999. No part of this publication may be reproduced or distributed in any form or by any means, or stored in a database or retrieval system, without the prior written consent of The McGraw-Hill Companies, Inc., including, but not limited to, in any network or other electronic storage or transmission, or broadcast for distance learning. Some ancillaries, including electronic and print components, may not be available to customers outside the United States. This book is printed on acid-free paper. 1 2 3 4 5 6 7 8 9 0 DOW/DOW 1 0 9 8 7 6 5 4 3 2 1 0 ISBN 978–0–07–351949–4 MHID 0–07–351949–9 ISBN 978–0–07–729713–8 (Annotated Instructor’s Edition) MHID 0–07–729713–X Editorial Director: Stewart K. Mattson Sponsoring Editor: John R. Osgood Director of Development: Kristine Tibbetts Developmental Editor: Christina A. Lane Marketing Manager: Kevin M. Ernzen Lead Project Manager: Sheila M. Frank Senior Production Supervisor: Kara Kudronowicz Senior Media Project Manager: Sandra M. Schnee Designer: Tara McDermott Cover/Interior Designer: Ellen Pettergell (USE) Cover Image: © Bob Pool/Getty Images Senior Photo Research Coordinator: Lori Hancock Supplement Producer: Mary Jane Lampe Compositor: Aptara®, Inc. Typeface: 10/12 Times Roman Printer: R. R. Donnelley All credits appearing on page or at the end of the book are considered to be an extension of the copyright page. Chapter R Opener: © Corbis RF; p. 31: © The McGraw-Hill Companies, Inc./John Thoeming photographer. Chapter 1 Opener:© Corbis RF; p.56:© Vol. 71/Getty RF; p.92:© Getty RF. Chapter 2 Opener:© Vol. 88/Getty RF; p.142:© Big Stock Photo; p.147:© Corbis RF; p.151:© Vol. 112/Getty RF. Chapter 3 Opener: © Getty RF; p.170:© Getty RF; p.187:© Vol. 88/Getty RF; p.220:© Corbis RF; p.250:© The McGraw-Hill Companies, Inc./Andrew Resek photographer. Chapter 4 Opener:© Corbis RF; p.271:© Corbis RF; p.272: © Vol. 4/Getty RF. Chapter 5 Opener:© Getty RF; p.333:© Vol. 68/Getty RF; p.345:© Corbis RF. Chap- ter 6 Opener: © Brand X/SuperStock RF; p.401: © California Institute of Technology; Chapter 7 Opener: © Corbis RF; p.435: Courtesy of Bill Tapenning, USDA; p.439: © Vol. 5/Getty RF; p.456: © Vol. 48/Getty RF; p.460:© Getty RF. Chapter 8 Opener:© Vol.6/Getty RF; p.531:© ThinkStock/PictureQuest RF; p.543: © Corbis RF. Library of Congress Cataloging-in-Publication Data College algebra / Raymond A. Barnett ... [et al.]. — 9th ed. p. cm. Rev. ed. of: College algebra. 8th ed. / Raymond A. Barnett, Michael R. Ziegler, Karl E. Byleen. Includes index. ISBN 978-0-07-351949-4 — ISBN 0-07-351949-9 (hard copy : alk. paper) 1. Algebra–Textbooks. I. Barnett, Raymond A. QA154.3.B365 2011 512.9–dc22 2009019471 www.mhhe.com bar19499_fm_i-xxxii.qxd 11/18/09 4:43 PM Page v The Barnett, Ziegler, Byleen, and Sobecki Precalculus Series College Algebra, Ninth Edition This book is the same as Precalculus without the three chapters on trigonometry. ISBN 0-07-351949-9, ISBN 978-0-07-351-949-4 Precalculus, Seventh Edition This book is the same as College Algebra with three chapters of trigonometry added. The trigonometry functions are introduced by a unit circle approach. ISBN 0-07-351951-0, ISBN 978-0-07-351-951-7 College Algebra with Trigonometry, Ninth Edition This book differs from Precalculus in that College Algebra with Trigonometry uses right triangle trigonometric to introduce the trigonometric functions. ISBN 0-07-735010-3, ISBN 978-0-07-735010-9 College Algebra: Graphs and Models, Third Edition This book is the same as Precalculus: Graphs and Models without the three chapters on trigonometry. This text assumes the use of a graphing calculator. ISBN 0-07-305195-0, ISBN 978-0-07-305195-6 Precalculus: Graphs and Models, Third Edition This book is the same as College Algebra: Graphs and Models with three additional chap- ters on trigonometry. The trigonometric functions are introduced by a unit circle approach. This text assumes the use of a graphing calculator. ISBN 0-07-305196-9, ISBN 978-0-07-305-196-3 v This page intentionally left blank bar19499_fm_i-xxxii.qxd 11/18/09 4:43 PM Page vii About the Authors Raymond A. Barnett, a native of and educated in California, received his B.A. in math- ematical statistics from the University of California at Berkeley and his M.A. in mathe- matics from the University of Southern California. He has been a member of the Merritt College Mathematics Department and was chairman of the department for four years. Asso- ciated with four different publishers, Raymond Barnett has authored or co-authored 18 text- books in mathematics, most of which are still in use. In addition to international English editions, a number of the books have been translated into Spanish. Co-authors include Michael Ziegler, Marquette University; Thomas Kearns, Northern Kentucky University; Charles Burke, City College of San Francisco; John Fujii, Merritt College; Karl Byleen, Marquette University; and Dave Sobecki, Miami University Hamilton. Michael R. Ziegler received his B.S. from Shippensburg State College and his M.S. and Ph.D. from the University of Delaware. After completing postdoctoral work at the Univer- sity of Kentucky, he was appointed to the faculty of Marquette University where he held the rank of Professor in the Department of Mathematics, Statistics, and Computer Science. Dr. Ziegler published more than a dozen research articles in complex analysis and co-authored more than a dozen undergraduate mathematics textbooks with Raymond Barnett and Karl Byleen before passing away unexpectedly in 2008. Karl E. Byleen received his B.S., M.A., and Ph.D. degrees in mathematics from the Uni- versity of Nebraska. He is currently an Associate Professor in the Department of Mathe- matics, Statistics, and Computer Science of Marquette University. He has published a dozen research articles on the algebraic theory of semigroups and co-authored more than a dozen undergraduate mathematics textbooks with Raymond Barnett and Michael Ziegler. Dave Sobecki earned a B.A. in math education from Bowling Green State University, then went on to earn an M.A. and a Ph.D. in mathematics from Bowling Green. He is an asso- ciate professor in the Department of Mathematics at Miami University in Hamilton, Ohio. He has written or co-authored five journal articles, eleven books and five interactive CD-ROMs. Dave lives in Fairfield, Ohio with his wife (Cat) and dogs (Macleod and Tessa). His passions include Ohio State football, Cleveland Indians baseball, heavy metal music, travel, and home improvement projects. vii This page intentionally left blank bar19499_fm_i-xxxii.qxd 11/18/09 4:43 PM Page ix Dedicated to the memory of Michael R. Ziegler, trusted author, colleague, and friend. This page intentionally left blank
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