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Biocalculus: Calculus for Life Sciences PDF

898 Pages·2014·39.656 MB·English
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Copyright 2015 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. Due to electronic rights, some third party content may be suppressed from the eBook and/or eChapter(s). Editorial review has deemed that any suppressed content does not materially affect the overall learning experience. Cengage Learning reserves the right to remove additional content at any time if subsequent rights restrictions require it. ✃ RefeRence page 1 e alGebra Geometry c n e er Arithmetic Operations Geometric Formulas ef p for r asb1cd−ab1ac ab 1 dc − adb1dbc Formulas for area A, circumference C, and volume V: e Triangle Circle Sector of Circle e and ke a1b c − ab 1 bc abc − ab 3 dc − abdc A −−1212abbh sin (cid:30) C A−−2(cid:31)(cid:31)rr2 A s−−12r(cid:30)r 2 (cid:30)s(cid:30) in radiansd her d ut C Exponents and Radicals a h r s ¨ r xmxn−xm1n xm −xm2n b ¨ xn r 1 sxmdn−xmn x2n− xn S D Sphere Cylinder Cone x n xn sxydn−xnyn y − yn V−4(cid:31)r3 V−(cid:31)r2h V−1(cid:31)r2h 3 3 x1yn−snx xmyn−snxm−ssnxdm A−4(cid:31)r2 A−(cid:31)rsr21h2 Îx snx r snxy−snxsny n y − ny s r h h Factoring Special Polynomials r x22y2−sx1ydsx2yd x31y3−sx1ydsx22xy1y2d x32y3−sx2ydsx21xy1y2d Distance and Midpoint Formulas Distance between P1sx1, y1d and P2sx2, y2d: Binomial Theorem sx1yd2−x212xy1y2 sx2yd2−x222xy1y2 d−ssx22x1d21sy22y1d2 sx1yd3−x313x2y13xy21y3 S D x 1x y 1y sx2yd3−x323x2y13xy22y3 Midpoint of P1P2: 1 2 2, 1 2 2 nsn21d sx1ydn−xn1nxn21y1 xn22y2 2 S D n Lines 1…1 xn2kyk1…1nxyn211yn k SnD nsn21d … sn2k11d Slope of line through P1sx1, y1d and P2sx2, y2d: where k − 1?2?3?…?k m− y22y1 x 2x 2 1 Quadratic Formula Point-slope equation of line through P1sx1, y1d with slope m: 2b6sb224ac If ax21bx1c−0, then x− 2a . y2y1−msx2x1d Slope-intercept equation of line with slope m and y-intercept b: Inequalities and Absolute Value If a,b and b,c, then a,c. y−mx1b If a,b, then a1c,b1c. If a,b and c.0, then ca,cb. Circles If a,b and c,0, then ca.cb. Equation of the circle with center sh, kd and radius r: If a.0, then |x|−a means x−a or x−2a sx2hd21sy2kd2−r2 |x|,a means 2a,x,a |x|.a means x.a or x,2a Copyright 2015 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. Due to electronic rights, some third party content may be suppressed from the eBook and/or eChapter(s). Editorial review has deemed that any suppressed content does not materially affect the overall learning experience. Cengage Learning reserves the right to remove additional content at any time if subsequent rights restrictions require it. RefeRence page 2 tRigonometRy Angle Measurement Fundamental Identities (cid:30) radians−1808 1 1 (cid:30) 1808 r s csc (cid:31)− sin (cid:31) sec (cid:31)− cos (cid:31) 18− rad 1 rad− 180 (cid:30) ¨ sin (cid:31) cos (cid:31) tan (cid:31)− cot (cid:31)− s−r(cid:31) r cos (cid:31) sin (cid:31) s(cid:31) in radiansd cot (cid:31)− 1 sin2(cid:31)1cos2(cid:31)−1 tan (cid:31) 11tan2(cid:31)−sec2(cid:31) 11cot2(cid:31)−csc2(cid:31) Right Angle Trigonometry sins2(cid:31)d−2sin (cid:31) coss2(cid:31)d−cos (cid:31) opp hyp sin (cid:31)− haydpj csc (cid:31)− ohpypp hyp opp tans2(cid:31)d−2tan (cid:31) sinS(cid:30)2 2(cid:31)D−cos (cid:31) cos (cid:31)− sec (cid:31)− hyp adj S D S D ¨ (cid:30) (cid:30) opp adj cos 2(cid:31) −sin (cid:31) tan 2(cid:31) −cot (cid:31) tan (cid:31)− cot (cid:31)− adj 2 2 adj opp The Law of Sines Trigonometric Functions B sin (cid:31)− y csc (cid:31)− r y sin A − sin B − sin C a r y a b c x r (x, y) C cos (cid:31)− sec (cid:31)− r c r x tan (cid:31)− y cot (cid:31)− x ¨ The Law of Cosines b x y x a2−b21c222bc cos A Graphs of Trigonometric Functions b2−a21c222ac cos B A c2−a21b222ab cos C y y y y=tan x y=sin x y=cos x 1 1 Addition and Subtraction Formulas π 2π 2π x π 2πx π x sinsx1yd−sin x cos y1cos x sin y _1 _1 sinsx2yd−sin x cos y2cos x sin y cossx1yd−cos x cos y2sin x sin y y y=csc x y y=sec x y y=cot x cossx2yd−cos x cos y1sin x sin y tan x1tan y tansx1yd− 1 1 12tan x tan y tan x2tan y π 2πx π 2πx π 2πx tansx2yd− 11tan x tan y _1 _1 Double-Angle Formulas sin 2x−2 sin x cos x Trigonometric Functions of Important Angles cos 2x−cos2x2sin2x−2 cos2x21−122 sin2x (cid:31) radians sin (cid:31) cos (cid:31) tan (cid:31) 2 tan x tan 2x− 08 0 0 1 0 12tan2x 308 (cid:30)y6 1y2 s3y2 s3y3 458 (cid:30)y4 s2y2 s2y2 1 Half-Angle Formulas 608 (cid:30)y3 s3y2 1y2 s3 12cos 2x 11cos 2x 908 (cid:30)y2 1 0 — sin2x− 2 cos2x− 2 Copyright 2015 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. Due to electronic rights, some third party content may be suppressed from the eBook and/or eChapter(s). Editorial review has deemed that any suppressed content does not materially affect the overall learning experience. Cengage Learning reserves the right to remove additional content at any time if subsequent rights restrictions require it. Biocalculus Calculus for the Life Sciences Copyright 2015 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. Due to electronic rights, some third party content may be suppressed from the eBook and/or eChapter(s). Editorial review has deemed that any suppressed content does not materially affect the overall learning experience. Cengage Learning reserves the right to remove additional content at any time if subsequent rights restrictions require it. About the Cover Images Spotted owl populations are analyzed The doubling time of a population of the using matrix models (Exercise 8.5.22). bacterium G. lamblia is determined in Exercise 1.4.29. The fitness of a garter snake is a function The Speedo LZR Racer reduces drag of the degree of stripedness and the in the water, resulting in dramatically number of reversals of direction while improved performance. The project fleeing a predator (Exercise 9.1.7). on page 603 explains why. The project on page 297 asks how birds In Example 9.4.2 we use the Chain can minimize power and energy by Rule to discuss whether tuna biomass flapping their wings versus gliding. is increasing or decreasing. The population size of some species, like this The optimal foraging time for bumblebees sea urchin, can be measured by evaluating a is determined in Example 4.4.2. certain integral, as explored in Exercise 5.3.49. The interaction between Daphnia The vertical trajectory of zebra finches is and their parasites is analyzed in modeled by a quadratic function (Figure 1.2.8). Case Study 2 (page xlvi). The size of the gray-wolf population depends Populations of blowflies are modeled on the size of the food supply and the by chaotic recursions (page 430). number of competitors (Exercise 9.4.21). The energy needed by an iguana to Example 4.4.4 investigates the time run is a function of two variables, that loons spend foraging. weight and speed (Exercise 9.2.47). Dinosaur fossils can be dated using The area of a cross-section of a human potassium-40 (Exercise 3.6.12). brain is estimated in Exercise 6.Review.5. The project on page 222 illustrates how The project on page 479 determines mathematics can be used to minimize the critical vaccination coverage red blood cell loss during surgery. required to eradicate a disease. Natural killer cells attack pathogens and Jellyfish locomotion is modeled by a are found in two states described by a pair differential equation in Exercise 10.1.34. of differential equations developed in Section 10.3. In Example 4.2.6 a junco has a choice The screw-worm fly was effectively of habitats with different seed densities eliminated using the sterile insect and we determine the choice with technique (Exercise 5.6.24). the greatest energy reward. The growth of a yeast population leads The project on page 467 investigates naturally to the study of differential logarithmic spirals, such as those equations (Section 7.1). found in the shell of a nautilus. Copyright 2015 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. Due to electronic rights, some third party content may be suppressed from the eBook and/or eChapter(s). Editorial review has deemed that any suppressed content does not materially affect the overall learning experience. Cengage Learning reserves the right to remove additional content at any time if subsequent rights restrictions require it. Biocalculus Calculus for the Life Sciences James Stewart McMaster University and University of Toronto Troy Day Queen’s University Australia • Brazil • Japan • Korea • Mexico • Singapore • Spain • United Kingdom • United States Copyright 2015 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. Due to electronic rights, some third party content may be suppressed from the eBook and/or eChapter(s). Editorial review has deemed that any suppressed content does not materially affect the overall learning experience. Cengage Learning reserves the right to remove additional content at any time if subsequent rights restrictions require it. This is an electronic version of the print textbook. Due to electronic rights restrictions, some third party content may be suppressed. Editorial review has deemed that any suppressed content does not materially affect the overall learning experience. The publisher reserves the right to remove content from this title at any time if subsequent rights restrictions require it. For valuable information on pricing, previous editions, changes to current editions, and alternate formats, please visit www.cengage.com/highered to search by ISBN#, author, title, or keyword for materials in your areas of interest. Copyright 2015 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. Due to electronic rights, some third party content may be suppressed from the eBook and/or eChapter(s). Editorial review has deemed that any suppressed content does not materially affect the overall learning experience. Cengage Learning reserves the right to remove additional content at any time if subsequent rights restrictions require it. Biocalculus: Calculus for the Life Sciences © 2015 Cengage Learning James Stewart, Troy Day WCN: 02-200-203 Product Director: Richard Stratton ALL RIGHTS RESERVED. No part of this work covered by the copyright herein may be reproduced, transmitted, stored, or used in any form or by Product Manager: Neha Taleja any means graphic, electronic, or mechanical, including but not limited to Senior Content Developer: Stacy Green photocopying, recording, scanning, digitizing, taping, Web distribution, Associate Content Developer: Samantha Lugtu information networks, or information storage and retrieval systems, except as permitted under Section 107 or 108 of the 1976 United States Product Assistant: Stephanie Kreuz Copyright Act, without the prior written permission of the publisher. Media Developer: Guanglei Zhang Marketing Manager: Ryan Ahern For product information and technology assistance, contact us at Content Project Manager: Cheryll Linthicum Cengage Learning Customer & Sales Support, 1-800-354-9706. Art Director: Vernon Boes For permission to use material from this text or product, Manufacturing Planner: Becky Cross submit all requests online at www.cengage.com/permissions. Production Service and Composition: TECHarts Further permissions questions can be e-mailed to [email protected]. Text and Photo Researcher: Lumina Datamatics Art and Copy Editor: Kathi Townes, TECHarts Library of Congress Control Number: 2014945476 Illustrator: TECHarts ISBN-13: 978-1-133-10963-1 Text and Cover Designer: Lisa Henry Compositor: Stephanie Kuhns, Kristina Elliott, Cengage Learning and Kira Abdallah, TECHarts 20 Channel Center Street Cover Images: Boston, MA 02210 DNA strand © iStockphoto.com/Frank Ramspott; Junco © USA Steffen Foerster/Shutterstock.com; Owl © mlorenz/Shutter- Cengage Learning is a leading provider of customized learning solutions stock.com; Snake © Matt Jeppson/Shutterstock.com; Bird © with office locations around the globe, including Singapore, the United Targn Pleiades/Shutterstock.com; Sea urchin © Vilainecre- Kingdom, Australia, Mexico, Brazil, and Japan. Locate your local office at vette/Shutterstock.com; Daphnia © Lebendkulturen.de/ www.cengage.com/global. Shutterstock.com; Fly © David Acosta Allely/Shutterstock. Cengage Learning products are represented in Canada by com; Iguana © Ryan Jackson; Dinosaur © fusebulb/Shutter- Nelson Education, Ltd. stock.com; Surgery © Condor 36/Shutterstock.com; Jellyfish © Dreamframer/Shutterstock.com; Screw-worm fly © USDA; To learn more about Cengage Learning Solutions, visit www.cengage.com. Yeast cells © Knorre/Shutterstock.com; G. lamblia © Sebas- Purchase any of our products at your local college store or at our preferred tian Kaulitzki/Shutterstock.com; Speedo LZR Racer Courtesy online store www.cengagebrain.com. Speedo and ANSYS, Inc.; Tuna © Ugo Montaldo/Shutterstock. com; Bee foraging © Miroslav Halama/Shutterstock.com; Virus © Fedorov Oleksiy/Shutterstock.com; Zebra finches © Windows is a registered trademark of the Microsoft Corporation and used Wang LiQiang/Shutterstock.com; Wolves © Vladimir Grama- herein under license. gin/Shutterstock.com; Loon © Brian Lasenby/Shutterstock. Macintosh and Power Macintosh are registered trademarks of Apple Com- com; Brain scan © Allison Herreid/Shutterstock.com; Syringes puter, Inc. Used herein under license. Derive is a registered trademark of Soft Warehouse, Inc. © Tatik22/Shutterstock.com; NK cells © Juan Gaertner/Shut- Maple is a registered trademark of Waterloo Maple, Inc. terstock.com; Junco © Steffen Foerster/Shutterstock.com; Mathematica is a registered trademark of Wolfram Research, Inc. Shell © Ann Baldwin/Shutterstock.com; Fish © Netfalls-Remy Tools for Enriching Calculus is a trademark used herein under license. Musser/Shutterstock.com; Background gradient ©: ririro/ Shutterstock.com Interior design images: Pills © silver-john/Shutterstock.com; Daphnia © Lebendkul- turen.de/Shutterstock.com Printed in the United States of America 1 2 3 4 5 6 7 18 17 16 15 14 Copyright 2015 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. Due to electronic rights, some third party content may be suppressed from the eBook and/or eChapter(s). Editorial review has deemed that any suppressed content does not materially affect the overall learning experience. Cengage Learning reserves the right to remove additional content at any time if subsequent rights restrictions require it. To Dolph Schluter and Don Ludwig, for early inspiration Copyright 2015 Cengage Learning. All Rights Reserved. May not be copied, scanned, or duplicated, in whole or in part. Due to electronic rights, some third party content may be suppressed from the eBook and/or eChapter(s). Editorial review has deemed that any suppressed content does not materially affect the overall learning experience. Cengage Learning reserves the right to remove additional content at any time if subsequent rights restrictions require it.

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