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Unit 04, Lesson 4 ongoingB.notebook 1 April 05, 2012 Mar 258:58 AM Lesson 4: Sketching Derivatives and Full Sketches PART A: Sketching Derivatives Exercise 1: For each graph below… A) Use the graph to sketch the graph of the derivative.

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Page 1: Unit 04, Lesson 4 ongoingB.notebook - Mrs. Bartlettbartlettstp.weebly.com/uploads/2/3/0/2/23023680/unit_04_lesson_4_completeb.pdfUnit 04, Lesson 4 ongoingB.notebook 2 April 05, 2012

Unit 04, Lesson 4 ongoingB.notebook

1

April 05, 2012

Mar 25­8:58 AM

Lesson 4:  Sketching Derivatives and Full SketchesPART A:  Sketching DerivativesExercise 1:  For each graph below…A) Use the graph to sketch the graph of the derivative.

Page 2: Unit 04, Lesson 4 ongoingB.notebook - Mrs. Bartlettbartlettstp.weebly.com/uploads/2/3/0/2/23023680/unit_04_lesson_4_completeb.pdfUnit 04, Lesson 4 ongoingB.notebook 2 April 05, 2012

Unit 04, Lesson 4 ongoingB.notebook

2

April 05, 2012

Mar 25­9:01 AM

PART A:  Sketching DerivativesExercise 1:  For each graph below…A) Use the graph to sketch the graph of the derivative.

ChallengeA) Try to determine an equation of the original curveB) Determine an equation of the derivative.C) Use technology to graph the derivative and verify your original sketch from A).(Each tick represents one unit, except in v) where x­ticks = π, y­ticks = 2)

Page 3: Unit 04, Lesson 4 ongoingB.notebook - Mrs. Bartlettbartlettstp.weebly.com/uploads/2/3/0/2/23023680/unit_04_lesson_4_completeb.pdfUnit 04, Lesson 4 ongoingB.notebook 2 April 05, 2012

Unit 04, Lesson 4 ongoingB.notebook

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April 05, 2012

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Exercise 2:  1.  Sketch a function that has all of the following properties.a) f(x) is a smooth, continuous and odd function defined everywhereb) f(1) =  ­ 0.5, f/(1) = 0, f//(1) > 0c) f//(x) > 0, when 0 < x <   , f//(x) < 0, when x >d)

2.  Determine an equation for the function above and verify the information provided.

Page 4: Unit 04, Lesson 4 ongoingB.notebook - Mrs. Bartlettbartlettstp.weebly.com/uploads/2/3/0/2/23023680/unit_04_lesson_4_completeb.pdfUnit 04, Lesson 4 ongoingB.notebook 2 April 05, 2012

Unit 04, Lesson 4 ongoingB.notebook

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Polynomial Functions:  There are shortcuts to take…Ø Domain is ____________________________Ø Intercepts _________________________________________Ø Symmetry_________________________________________Ø Since curves are smooth_______________________________________________________________________________

Page 5: Unit 04, Lesson 4 ongoingB.notebook - Mrs. Bartlettbartlettstp.weebly.com/uploads/2/3/0/2/23023680/unit_04_lesson_4_completeb.pdfUnit 04, Lesson 4 ongoingB.notebook 2 April 05, 2012

Unit 04, Lesson 4 ongoingB.notebook

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April 05, 2012

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Sketch a) y = x4 ­ 4x3 

Page 6: Unit 04, Lesson 4 ongoingB.notebook - Mrs. Bartlettbartlettstp.weebly.com/uploads/2/3/0/2/23023680/unit_04_lesson_4_completeb.pdfUnit 04, Lesson 4 ongoingB.notebook 2 April 05, 2012

Unit 04, Lesson 4 ongoingB.notebook

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Samples

a) 

­10 ­8 ­6 ­4 ­2 0 2 4 6 8 10­0.4­0.2

0.20.40.60.81

1.21.41.61.82

2.22.42.62.83

x

y

Page 7: Unit 04, Lesson 4 ongoingB.notebook - Mrs. Bartlettbartlettstp.weebly.com/uploads/2/3/0/2/23023680/unit_04_lesson_4_completeb.pdfUnit 04, Lesson 4 ongoingB.notebook 2 April 05, 2012

Unit 04, Lesson 4 ongoingB.notebook

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b) 

­10 ­9 ­8 ­7 ­6 ­5 ­4 ­3 ­2 ­1 0 1 20.40.50.60.70.80.91

1.11.21.31.41.51.61.71.81.92

x

y

Page 8: Unit 04, Lesson 4 ongoingB.notebook - Mrs. Bartlettbartlettstp.weebly.com/uploads/2/3/0/2/23023680/unit_04_lesson_4_completeb.pdfUnit 04, Lesson 4 ongoingB.notebook 2 April 05, 2012

Unit 04, Lesson 4 ongoingB.notebook

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c) 

­28 ­24 ­20 ­16 ­12 ­8 ­6 ­4 ­2 0 2 4 6 8 10

­4

­2

2

4

6

8

10

12

x

y

Page 9: Unit 04, Lesson 4 ongoingB.notebook - Mrs. Bartlettbartlettstp.weebly.com/uploads/2/3/0/2/23023680/unit_04_lesson_4_completeb.pdfUnit 04, Lesson 4 ongoingB.notebook 2 April 05, 2012

Unit 04, Lesson 4 ongoingB.notebook

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d) y = 2x ­ tan(x)  on [­π, π]

­3.2 ­2.4 ­1.6 ­0.8 0.0 0.8 1.6 2.4 3.2

­8­7­6­5­4­3­2­1

12345678

x

y

Page 10: Unit 04, Lesson 4 ongoingB.notebook - Mrs. Bartlettbartlettstp.weebly.com/uploads/2/3/0/2/23023680/unit_04_lesson_4_completeb.pdfUnit 04, Lesson 4 ongoingB.notebook 2 April 05, 2012

Unit 04, Lesson 4 ongoingB.notebook

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e) 

­5 ­4 ­3 ­2 ­1 0 1 2 3 4 5

­1

­0.8

­0.6

­0.4

­0.2

0.2

0.4

0.6

0.8

1

1.2

1.4

x

y

Page 11: Unit 04, Lesson 4 ongoingB.notebook - Mrs. Bartlettbartlettstp.weebly.com/uploads/2/3/0/2/23023680/unit_04_lesson_4_completeb.pdfUnit 04, Lesson 4 ongoingB.notebook 2 April 05, 2012

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f) 

­3.0 ­2.5 ­2.0 ­1.5 ­1.0 ­0.5 0.0 0.5 1.0 1.5 2.0 2.5 3.0

­1

­0.5

0.5

1

1.5

2

2.5

3

x

y

Page 12: Unit 04, Lesson 4 ongoingB.notebook - Mrs. Bartlettbartlettstp.weebly.com/uploads/2/3/0/2/23023680/unit_04_lesson_4_completeb.pdfUnit 04, Lesson 4 ongoingB.notebook 2 April 05, 2012

Unit 04, Lesson 4 ongoingB.notebook

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April 05, 2012

Apr 4­10:58 AM