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Math 120, Review Problems for the Final Exam; Spring 2012.
This review consistsof 68 problems in to-tal. From them, 54from the main text-bookand the last 14come from the work-book.
Contents for the Fi-nal Exam:
Chapter 1(sections 1, 2, 3, 4,5, 6 and 7),Chapter 2(sections 1, 2, 3, 4,5, 6 and 7),Chapter 3(sections 1 and 2),Chapter 4(sections 1, 2, 4, 5, 6and 8),Chapter 5(sections 1, 2 and 4),Chapter 6(sections 1, 2 and 3),Chapter 7(sections 1, and 2),Chapter 8(sections 2, 3, and 4).
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Workbook, p.47, # 9
Workbook, p.59, # 7
Workbook, p.96, # 9
Workbook, p.108, # 14
Workbook, p.126, # 8
Workbook, p.156, # 19
Workbook, p.162, # 22
Workbook, p.168, # 17
Workbook, p.179, # 11
Workbook, p.222, # 17
Workbook, p.239, # 7
Workbook, p.287, # 14
Workbook, p.294, # 18
Workbook, p.341, # 8
Review problems like thesecan be found as a Home-work in MyMathLab: Re-view for the Final Exam.
It can also be found as apractice test in MyMathLab(15 random questions cho-sen): Practice for the Fi-nal Exam.
Finally, in the pages thatfollow you can find the se-lected problems to print andwork with them on paper.The answers are at the end.
Remember, in the Fi-nal Exam, you mustshow all your work toget credit.
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Math 120, Review Problems for the Final Exam, Spring 2012
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ANSWERS
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55. (−∞ , −8
5)
56.
57. g(−3) = −7
58. (−∞ , ∞)
59. airspeed=150mph,windspeed=20mph
60. −7 q3 + 4 q2 − 5 q + 1
61. 8 a2 − 2 b2 − 18 a+ 11 b− 5
62. length = 5x+ 2 feet
63. 3x y (2x+ 3) (9x− 8)
64. x =3
7
65. |2x− 3 |
66. 3 a2 − 4 a− 4 = 0,completing the square:3(a− 2
3 )2 − 16
3 = 0.Solving: a = 2
3 ±43
or a = − 23 , a = 2
67. height=5 in , base = 7 in
68.1
5ln(x)− 2 ln(x+ 2)
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