1. Chapter 1 Ingredients of Change: Functions and Models

2. Copyright © Houghton Mifflin Company. All rights reserved.1 | 2 Figure 1.1

3. Copyright © Houghton Mifflin Company. All rights reserved.1 | 3 Figure 1.2

4. Copyright © Houghton Mifflin Company. All rights reserved.1 | 4 Figure 1.3

5. Copyright © Houghton Mifflin Company. All rights reserved.1 | 5 Figure 1.4

6. Copyright © Houghton Mifflin Company. All rights reserved.1 | 6 Figure 1.5

7. Copyright © Houghton Mifflin Company. All rights reserved.1 | 7 Figure 1.6

8. Copyright © Houghton Mifflin Company. All rights reserved.1 | 8 Figure 1.7

9. Copyright © Houghton Mifflin Company. All rights reserved.1 | 9 Figure 1.8

10. Copyright © Houghton Mifflin Company. All rights reserved.1 | 10 Figure 1.9

11. Copyright © Houghton Mifflin Company. All rights reserved.1 | 11 Figure 1.10

12. Copyright © Houghton Mifflin Company. All rights reserved.1 | 12 Figure 1.11

13. Copyright © Houghton Mifflin Company. All rights reserved.1 | 13 Figure 1.12

14. Copyright © Houghton Mifflin Company. All rights reserved.1 | 14 Figure 1.13

15. Copyright © Houghton Mifflin Company. All rights reserved.1 | 15 Figure 1.14

16. Copyright © Houghton Mifflin Company. All rights reserved.1 | 16 Figure 1.15

17. Copyright © Houghton Mifflin Company. All rights reserved.1 | 17 Figure 1.16

18. Copyright © Houghton Mifflin Company. All rights reserved.1 | 18 Figure 1.17

19. Copyright © Houghton Mifflin Company. All rights reserved.1 | 19 Figure 1.18

20. Copyright © Houghton Mifflin Company. All rights reserved.1 | 20 Figure 1.19

21. Copyright © Houghton Mifflin Company. All rights reserved.1 | 21 Figure 1.20

22. Copyright © Houghton Mifflin Company. All rights reserved.1 | 22 Figure 1.21

23. Copyright © Houghton Mifflin Company. All rights reserved.1 | 23 Figure 1.22

24. Copyright © Houghton Mifflin Company. All rights reserved.1 | 24 Figure 1.23

25. Copyright © Houghton Mifflin Company. All rights reserved.1 | 25 Figure 1.24

26. Copyright © Houghton Mifflin Company. All rights reserved.1 | 26 Figure 1.25

27. Copyright © Houghton Mifflin Company. All rights reserved.1 | 27 Figure 1.26

28. Copyright © Houghton Mifflin Company. All rights reserved.1 | 28 Figure 1.27

29. Copyright © Houghton Mifflin Company. All rights reserved.1 | 29 Figure 1.28

30. Copyright © Houghton Mifflin Company. All rights reserved.1 | 30 Figure 1.29

31. Copyright © Houghton Mifflin Company. All rights reserved.1 | 31 Figure 1.30

32. Copyright © Houghton Mifflin Company. All rights reserved.1 | 32 Figure 1.31

33. Copyright © Houghton Mifflin Company. All rights reserved.1 | 33 Figure 1.32

34. Copyright © Houghton Mifflin Company. All rights reserved.1 | 34 Figure 1.33

35. Copyright © Houghton Mifflin Company. All rights reserved.1 | 35 Figure 1.34

36. Copyright © Houghton Mifflin Company. All rights reserved.1 | 36 Figure 1.35

37. Copyright © Houghton Mifflin Company. All rights reserved.1 | 37 Figure 1.36

38. Copyright © Houghton Mifflin Company. All rights reserved.1 | 38 Figure 1.37

39. Copyright © Houghton Mifflin Company. All rights reserved.1 | 39 Figure 1.38

40. Copyright © Houghton Mifflin Company. All rights reserved.1 | 40 Figure 1.39

41. Copyright © Houghton Mifflin Company. All rights reserved.1 | 41 Figure 1.40

42. Copyright © Houghton Mifflin Company. All rights reserved.1 | 42 Figure 1.41

43. Copyright © Houghton Mifflin Company. All rights reserved.1 | 43 Figure 1.42

44. Copyright © Houghton Mifflin Company. All rights reserved.1 | 44 Figure 1.43

45. Copyright © Houghton Mifflin Company. All rights reserved.1 | 45 Figure 1.44

46. Copyright © Houghton Mifflin Company. All rights reserved.1 | 46 Figure 1.45

47. Copyright © Houghton Mifflin Company. All rights reserved.1 | 47 Figure 1.46

48. Copyright © Houghton Mifflin Company. All rights reserved.1 | 48 Figure 1.47

49. Copyright © Houghton Mifflin Company. All rights reserved.1 | 49 Figure 1.48

50. Copyright © Houghton Mifflin Company. All rights reserved.1 | 50 Figure 1.49

51. Copyright © Houghton Mifflin Company. All rights reserved.1 | 51 Figure 1.50

52. Copyright © Houghton Mifflin Company. All rights reserved.1 | 52 Figure 1.51

53. Copyright © Houghton Mifflin Company. All rights reserved.1 | 53 Figure 1.52

54. Copyright © Houghton Mifflin Company. All rights reserved.1 | 54 Figure 1.53

55. Copyright © Houghton Mifflin Company. All rights reserved.1 | 55 Figure 1.54

56. Copyright © Houghton Mifflin Company. All rights reserved.1 | 56 Figure 1.55

57. Copyright © Houghton Mifflin Company. All rights reserved.1 | 57 Figure 1.56

58. Copyright © Houghton Mifflin Company. All rights reserved.1 | 58 Figure 1.57

59. Copyright © Houghton Mifflin Company. All rights reserved.1 | 59 Figure 1.58

60. Copyright © Houghton Mifflin Company. All rights reserved.1 | 60 Figure 1.59

61. Copyright © Houghton Mifflin Company. All rights reserved.1 | 61 Figure 1.60

62. Copyright © Houghton Mifflin Company. All rights reserved.1 | 62 Figure 1.61

63. Copyright © Houghton Mifflin Company. All rights reserved.1 | 63 Figure 1.62

64. Copyright © Houghton Mifflin Company. All rights reserved.1 | 64 Figure 1.63

65. Copyright © Houghton Mifflin Company. All rights reserved.1 | 65 Figure 1.64

66. Copyright © Houghton Mifflin Company. All rights reserved.1 | 66 Figure 1.65

67. Copyright © Houghton Mifflin Company. All rights reserved.1 | 67 Figure 1.66

68. Copyright © Houghton Mifflin Company. All rights reserved.1 | 68 Figure 1.67

69. Copyright © Houghton Mifflin Company. All rights reserved.1 | 69 Figure 1.68

70. Copyright © Houghton Mifflin Company. All rights reserved.1 | 70 Figure 1.69