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Single Variable Calculus Concepts and Contexts 4th Edition.pdf

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Front Cover
Title Page
Copyright
Contents
Preface
To the Student
Diagnostic Tests
A Preview of Calculus
1. Functions and Models
1.1 Four Ways to Represent a Function
1.2 Mathematical Models: A Catalog of Essential Functions
1.3 New Functions from Old Functions
1.4 Graphing Calculators and Computers
1.5 Exponential Functions
1.6 Inverse Functions and Logarithms
1.7 Parametric Curves
Laboratory Project:Running Circles Around Circles
Review
Principles of Problem Solving
2. Limits and Derivatives
2.1 The Tangent and Velocity Problems
2.2 The Limit of a Function
2.3 Calculating Limits Using the Limit Laws
2.4 Continuity
2.5 Limits Involving Infinity
2.6 Derivatives and Rates of Change
Writing Project:Early Methods for Finding Tangents
2.7 The Derivative as a Function
2.8 What Does f' Say about f?
Review
Focus on Problem Solving
3. Differentiation Rules
3.1 Derivatives of Polynomials and Exponential Functions
Applied Project ■ Building a Better Roller Coaster
3.2 The Product and Quotient Rules
3.3 Derivatives of Trigonometric Functions
3.4 The Chain Rule
Laboratory Project:Bézier Curves
Applied Project:Where Should a Pilot Start Descent?
3.5 Implicit Differentiation
3.6 Inverse Trigonometric Functions and Their Derivatives
3.7 Derivatives of Logarithmic Functions
Discovery Project:Hyperbolic Functions
3.8 Rates of Change in the Natural and Social Sciences
3.9 Linear Approximations and Differentials
Laboratory Project:Taylor Polynomials
Review
Focus on Problem Solving
4. Applications of Differentiation
4.1 Related Rates
4.2 Maximum and Minimum Values
Applied Project:The Calculus of Rainbows
4.3 Derivatives and the Shapes of Curves
4.4 Graphing with Calculus and Calculators
4.5 Indeterminate Forms and l’Hospital’s Rule
Writing Project:The Origins of l’Hospital’s Rule
4.6 Optimization Problems
Applied Project ■ The Shape of a Can
4.7 Newton’s Method
4.8 Antiderivatives
Review
Focus on Problem Solving
5. Integrals
5.1 Areas and Distances
5.2 The Definite Integral
5.3 Evaluating Definite Integrals
Discovery Project:Area Functions
5.4 The Fundamental Theorem of Calculus
Writing Project:Newton, Leibniz, and the Invention of Calculus
5.5 The Substitution Rule
5.6 Integration by Parts
5.7 Additional Techniques of Integration
5.8 Integration Using Tables and Computer Algebra Systems
Discovery Project:Patterns in Integrals
5.9 Approximate Integration
5.10 Improper Integrals
Review
Focus on Problem Solving
6. Applications of Integration
6.1 More About Areas
6.2 Volumes
Discovery Project:Rotating on a Slant
6.3 Volumes by Cylindrical Shells
6.4 Arc Length
Discovery Project:Arc Length Contest
6.5 Average Value of a Function
Applied Project:Where To Sit at the Movies
6.6 Applications to Physics and Engineering
Discovery Project:Complementary Coffee Cups
6.7 Applications to Economics and Biology
6.8 Probability
Review
Focus on Problem Solving
7. Differential Equations
7.1 Modeling with Differential Equations
7.2 Direction Fields and Euler’s Method
7.3 Separable Equations
Applied Project:How Fast Does a Tank Drain?
Applied Project:Which Is Faster, Going Up or Coming Down?
7.4 Exponential Growth and Decay
Applied Project:Calculus and Baseball
7.5 The Logistic Equation
7.6 Predator-Prey Systems
Review
Focus on Problem Solving
8. Infinite Sequences and Series
8.1 Sequences
Laboratory Project:Logistic Sequences
8.2 Series
8.3 The Integral and Comparison Tests; Estimating Sums
8.4 Other Convergence Tests
8.5 Power Series
8.6 Representations of Functions as Power Series
8.7 Taylor and Maclaurin Series
Laboratory Project:An Elusive Limit
Writing Project:How Newton Discovered the Binomial Series
8.8 Applications of Taylor Polynomials
Applied Project:Radiation from the Stars
Review
Focus on Problem Solving
Appendixes
A: Intervals, Inequalities, and Absolute Values
B: Coordinate Geometry
C: Trigonometry
D: Precise Definitions of Limits
E: A Few Proofs
F: Sigma Notation
G: Integration of Rational Functions by Partial Fractions
H: Polar Coordinates
I: Complex Numbers
J: Answers to Odd-Numbered Exercises
Index
e c n e r e f e r r o f p e e k d n a e r e h t u C A L G E B R A Arithmetic Operations a共b ⫹ c兲 苷 ab ⫹ ac a ⫹ c b 苷 a b ⫹ c b Exponents and Radicals x mx n 苷 x m⫹n 共x m兲n 苷 x mn 共xy兲n 苷 x nyn x 1兾n 苷 sn x sn xy 苷 sn xsn y ⫹ c d 苷 ad ⫹ bc bd 苷 a b ⫻ d c 苷 ad bc a b a b c d 苷 x m⫺n x m x n x⫺n 苷 1 x n 苷 x n yn y 冉 x 冊n n冑x y 苷 sn x sn y x m兾n 苷 sn x m 苷 (sn x)m Factoring Special Polynomials x 2 ⫺ y2 苷 共x ⫹ y兲共x ⫺ y兲 x 3 ⫹ y3 苷 共x ⫹ y兲共x 2 ⫺ xy ⫹ y2兲 x 3 ⫺ y3 苷 共x ⫺ y兲共x 2 ⫹ xy ⫹ y2兲 Binomial Theorem 共x ⫹ y兲2 苷 x 2 ⫹ 2xy ⫹ y2 共x ⫹ y兲3 苷 x 3 ⫹ 3x 2y ⫹ 3xy2 ⫹ y3 共x ⫺ y兲3 苷 x 3 ⫺ 3x 2y ⫹ 3xy2 ⫺ y3 n共n ⫺ 1兲 共x ⫹ y兲n 苷 x n ⫹ nx n⫺1y ⫹ 共x ⫺ y兲2 苷 x 2 ⫺ 2xy ⫹ y2 x n⫺2y2 ⫹ ⭈ ⭈ ⭈ ⫹冉 n 2 冊x n⫺kyk ⫹ ⭈ ⭈ ⭈ ⫹ nxyn⫺1 ⫹ yn 冉n k where 冊 苷 n共n ⫺ 1兲 ⭈ ⭈ ⭈ 共n ⫺ k ⫹ 1兲 k 1 ⴢ 2 ⴢ 3 ⴢ ⭈ ⭈ ⭈ ⴢ k Quadratic Formula If ax 2 ⫹ bx ⫹ c 苷 0 , then x 苷 ⫺b ⫾ sb 2 ⫺ 4ac 2a . Inequalities and Absolute Value R E F E R E N C E PA G E S G E O M E T RY Geometric Formulas Formulas for area A, circumference C, and volume V: Triangle A 苷 1 2 bh 苷 1 2 ab sin ␪ Circle A 苷 ␲r 2 C 苷 2␲r Sector of Circle A 苷 1 s 苷 r␪ 共␪ in radians兲 2 r 2␪ a ¨ h b Sphere V 苷 4 3 ␲r 3 A 苷 4␲r 2 r r h s r ¨ r Cone V 苷 1 A 苷 ␲rsr 2 ⫹ h2 3 ␲r 2h h r Cylinder V 苷 ␲r 2h r Distance and Midpoint Formulas P2共x2, y2兲 : Distance between P1共x1, y1兲 and d 苷 s共x2 ⫺ x1兲2 ⫹ 共 y2 ⫺ y1兲2 Midpoint of P1P2 : 冉 x1 ⫹ x2 2 , y1 ⫹ y2 2 冊 Lines Slope of line through P1共x1, y1兲 and P2共x2, y2兲 : m 苷 y2 ⫺ y1 x2 ⫺ x1 Point-slope equation of line through P1共x1, y1兲 with slope m: y ⫺ y1 苷 m共x ⫺ x1兲 Slope-intercept equation of line with slope m and y-intercept b: y 苷 mx ⫹ b and , then and and , then b ⬍ c a ⬍ c . a ⫹ c ⬍ b ⫹ c . c ⬎ 0 c ⬍ 0 ca ⬍ cb . ca ⬎ cb . , then , then If If If If If a ⬍ b a ⬍ b a ⬍ b a ⬍ b a ⬎ 0 , then ⱍ xⱍ 苷 a ⱍ xⱍ ⬍ a ⱍ xⱍ ⬎ a means means means or x 苷 a ⫺a ⬍ x ⬍ a x ⬎ a or x 苷 ⫺a x ⬍ ⫺a Circles Equation of the circle with center 共h, k兲 and radius r: 共x ⫺ h兲2 ⫹ 共 y ⫺ k兲2 苷 r 2 1
59725_SVFrontEP_SVFrontEP.qk 11/22/08 3:46 PM Page 2 R E F E R E N C E PA G E S T R I G O N O M E T RY Angle Measurement ␲ radians 苷 180⬚ 1 rad 苷 180⬚ ␲ 1⬚ 苷 ␲ 180 rad s 苷 r␪ 共␪ in radians兲 Right Angle Trigonometry sin ␪苷 opp hyp cos ␪苷 adj hyp tan ␪苷 opp adj csc ␪苷 hyp opp sec ␪苷 hyp adj cot ␪苷 adj opp Trigonometric Functions sin ␪苷 y csc ␪苷 r r y cos ␪苷 x sec ␪苷 r r x tan ␪苷 y cot ␪苷 x x y Graphs of Trigonometric Functions s r ¨ r opp hyp ¨ adj Fundamental Identities csc ␪苷 1 sin ␪ tan ␪苷 sin ␪ cos ␪ cot ␪苷 1 tan ␪ 1 ⫹ tan2␪苷 sec 2␪ sin共⫺␪兲 苷 ⫺sin ␪ tan共⫺␪兲 苷 ⫺tan ␪ cos冉 ␲ ⫺ ␪冊 苷 sin ␪ 2 y r ¨ The Law of Sines sin A 苷 sin B b 苷 sin C c (x, y) a x The Law of Cosines a 2 苷 b 2 ⫹ c 2 ⫺ 2bc cos A b 2 苷 a 2 ⫹ c 2 ⫺ 2ac cos B sec ␪苷 1 cos ␪ cot ␪苷 cos ␪ sin ␪ sin2␪⫹ cos2␪苷 1 1 ⫹ cot 2␪苷 csc 2␪ cos共⫺␪兲 苷 cos ␪ sin冉 ␲ tan冉 ␲ 2 ⫺ ␪冊 苷 cos ␪ ⫺ ␪冊 苷 cot ␪ 2 a C B b c y 1 _1 y 1 _1 y=sin x π 2π x y=csc x π 2π x y 1 _1 y 1 _1 y=cos x y y=tan x c 2 苷 a 2 ⫹ b 2 ⫺ 2ab cos C A π 2π x π 2π x y=sec x y y=cot x π 2π x π 2π x Addition and Subtraction Formulas sin共x ⫹ y兲 苷 sin x cos y ⫹ cos x sin y sin共x ⫺ y兲 苷 sin x cos y ⫺ cos x sin y cos共x ⫹ y兲 苷 cos x cos y ⫺ sin x sin y cos共x ⫺ y兲 苷 cos x cos y ⫹ sin x sin y tan共x ⫹ y兲 苷 tan x ⫹ tan y 1 ⫺ tan x tan y tan共x ⫺ y兲 苷 tan x ⫺ tan y 1 ⫹ tan x tan y Trigonometric Functions of Important Angles cos ␪ radians sin ␪ 0 ␲兾6 ␲兾4 ␲兾3 ␲兾2 0 1兾2 s2兾2 s3兾2 1 1 s3兾2 s2兾2 1兾2 0 ␪ 0⬚ 30⬚ 45⬚ 60⬚ 90⬚ Double-Angle Formulas sin 2x 苷 2 sin x cos x cos 2x 苷 cos2x ⫺ sin2x 苷 2 cos2x ⫺ 1 苷 1 ⫺ 2 sin2x tan 2x 苷 2 tan x 1 ⫺ tan2x Half-Angle Formulas sin2x 苷 1 ⫺ cos 2x 2 cos2x 苷 1 ⫹ cos 2x 2 tan ␪ 0 s3兾3 1 s3 — 2
59726_SV_FM_FM_pi-xxiii.qk 11/22/08 3:08 PM Page i Single Variable Calculus Concepts and Contexts | 4e
59726_SV_FM_FM_pi-xxiii.qk 11/22/08 3:08 PM Page ii Calculus and the Architecture of Curves The cover photograph shows the DZ Bank in Berlin, designed and built 1995–2001 by Frank Gehry and Associates. The interior atrium is dominated by a curvaceous four- story stainless steel sculptural shell that suggests a prehistoric creature and houses a central con- ference space. The highly complex structures that Frank Gehry designs would be impossible to build without the computer. The CATIA software that his archi- tects and engineers use to produce the computer models is based on principles of calculus—fitting curves by matching tangent lines, making sure the curvature isn’t too large, and controlling parametric surfaces. “Consequently,” says Gehry, “we have a lot of freedom. I can play with shapes.” The process starts with Gehry’s initial sketches, which are translated into a succes- sion of physical models. (Hundreds of different physical models were constructed during the design of the building, first with basic wooden blocks and then evolving into more sculptural forms.) Then an engineer uses a digitizer to record the coordinates of a series of points on a physical model. The digitized points are fed into a computer and the CATIA software is used to link these points with smooth curves. (It joins curves so that their tangent lines coincide; you can use the same idea to design the shapes of letters in the Laboratory Project on page 208 of this book.) The architect has considerable free- dom in creating these curves, guided by displays of the curve, its derivative, and its curvature. Then the curves are y r h e G . O k n a r F f o y s e t r u o C y r h e G . O k n a r F f o y s e t r u o C y r h e G . O k n a r F f o y s e t r u o C
59726_SV_FM_FM_pi-xxiii.qk 11/22/08 3:08 PM Page iii y r h e G . O k n a r F f o y s e t r u o C y r h e G . O k n a r F f o y s e t r u o C m o c . e v i h c r a r e y a m s a m o h t connected to each other by a parametric surface, and again the architect can do so in many possible ways with the guidance of displays of the geometric characteristics of the surface. The CATIA model is then used to produce another physical model, which, in turn, suggests modifications and leads to additional computer and physical models. The CATIA program was developed in France by Dassault Systèmes, originally for designing airplanes, and was subsequently employed in the automotive industry. Frank Gehry, because of his complex sculptural shapes, is the first to use it in architecture. It helps him answer his ques- tion, “How wiggly can you get and still make a building?”
59726_SV_FM_FM_pi-xxiii.qk 11/22/08 3:08 PM Page iv
59726_SV_FM_FM_pi-xxiii.qk 11/22/08 3:08 PM Page v Single Variable Calculus Concepts and Contexts | 4e James Stewart McMaster University and University of Toronto Australia . Brazil . Japan . Korea . Mexico . Singapore . Spain . United Kingdom . United States
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