# Algebra for College Students, 5th Edition by Mark Dugopolski

By Mark Dugopolski

Algebra for college kids, 4th variation, is designed to supply scholars with the algebra heritage wanted for additional college-level arithmetic classes. The unifying subject matter of this article is the advance of the talents priceless for fixing equations and inequalities, by means of the appliance of these talents to fixing utilized difficulties. this article includes 2 chapters, Polynomial & Rational features, and Counting & likelihood, as well as these present in Dugopolski's Intermediate Algebra.

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Qxd 11/30/07 2:58 PM Page xxx Applications Index Biology/Health/Life Sciences Business AIDS by gender, 446 Baby names, 858 Bear population, 431–432 Big family, 838 Blood pressure, 47 Capture-recapture method, 431–432 Chickens laying eggs, 810 Cigarette usage, 88 Crossing desert, 748 Dairy cattle, 141 Drug administration, 722 Energy requirements, 451 Female target heart rate, 39 Half-life of drug, 722 Health care costs, 517 Heights of preschoolers, 851 Infestation, 816 Leap frog, 823 Length of femur, 140 Male target heart rate, 39 Maximum heart rate, 219 Minutes jogged, 88 Number of cigarettes smoked, 124 Nutritional needs of burn patients, 101 Peas and beets, 273 Pediatric dosing rules, 396 Protein and carbohydrates, 273, 277–278, 281, 288 Rate of infection, 721 Resting heart rate, 219 Sex of children, 873, 878 Surviving car accident, 873 Target heart rate, 198 Temperature of human body in ocean, 712 Temperature of turkey in oven, 712 Time of death, 134 Waist-to-hip ratio, 198, 220 Weight of dogs, 274 Weight of iguana, 635 Weight of three people, 254 Weight of twins, 133 Wildlife sanctuary area, 83 Advertising budget, 192, 198–199 Allocating resources, 198 Annual salary increase, 584 Automobile production, 145 Average cost per product, 383–384, 424 Average profit per product, 424 Bananas sold, 809 Billion dollar sales, 376 Bonus and taxes, 236 Book store display, 858 Budget planning, 198 Capital cost, 646–647 Car costs, 124, 254 Cardboard for boxes, 517 Cars for salespeople, 865 Civilian labor force, 747 Cleaning fish, 758 Coal miner strike, 873 Committees, 865 Computer assembly profits, 281 Computers shipped, 748 Concert revenue, 583 Condo rents, 251–252 Contractor penalties, 829 Copier comparison, 289 Corporate taxes, 236 Cost accounting, 236 Cost analysis, 143 Cost of circuit boards, 180–181 Cost of computer repair, 206 Cost of frisbees, 635–636 Cost of note pads and binders, 157 Cost of shirts and jackets, 152 Cost of shoe production, 151 Daily labor cost, 281 Dog house construction, 275–277 Ebay buying and selling, 263 Economic impact, 816–817, 823, 838 Employees in sales, 414 Fabric design, 817 Filing invoices, 440 Ford dealers, 865 xxx Fruitcake profits, 574 Guitar production, 279–280 Hamburger revenue, 281 Imports and exports, 744 Inventory rate, 435–436 Job candidates, 864 Lawn maintenance fee, 635 Loan risk rating, 156 Marginal cost, 322 Marginal profit, 322 Market value, 100 Maximum profit, 561 Meat prices, 440 Minimizing cost, 561, 581 Minimum cost of production, 560–561 Monthly payroll, 551 Mowing lawn, 436–437, 581 Net worth of bank, 29 Nonoscillating modulator production, 688 Office party, 440 Office rent, 632 Operating cost, 646–647 Oscillating modulator production, 688 People reached by ads, 280–281 Pipeline charges, 770 Population of workers, 739 Power line charges, 770 Processing claims, 406 Product cost vs.

Q 43. ʦ I 44. ʦ Q Place one of the symbols ʕ, each statement is true. , ʦ, or W 46. Z Q 47. Z N 48. Q W 49. Q R 50. I 51. л I 52. л Q 53. N R 54. W R 55. 5 Z 56. Ϫ6 57. 7 Q 58. 8 61. 0 63. ͕2, 3͖ 65. ͕3, ͙2ෆ ͖ R 62. 0 I R 77. 3 4 5 6 7 8 9 78. 3 4 5 6 7 8 9 Q I Q 64. ͕0, 1͖ Q 76. The set of real numbers greater than 2 and less than or equal to 5. Write the interval notation for the interval of real numbers shown in each graph. Z 60. ͙2 ෆ R 75. The set of real numbers greater than or equal to 1 and less than 3 in each blank so that 45.

65. ͕x Ϳ x is an even natural number less than 20͖ 66. ͕x Ϳ x is a natural number greater than 6͖ 67. ͕x Ϳ x is an odd natural number greater than 11͖ 68. ͕x Ϳ x is an odd natural number less than 14͖ 69. ͕x Ϳ x is an even natural number between 4 and 79͖ 70. ͕x Ϳ x is an odd natural number between 12 and 57͖ Using the sets A, B, C, and D, list the elements in each set. If the set is empty write л. A ϭ ͕1, 2, 3, 4, 5} C ϭ {1, 3, 5, 7} 71. 72. 73. 74. 75. 76. 77. 78. 79. 80. 81. 82. B ϭ ͕4, 5, 6, 7, 8, 9} D ϭ ͕2, 4, 6, 8͖ AʜB AʜC AʝB AʝC (A ʝ B) ʜ D (A ʝ C) ʜ D (A ʜ B) ʜ D (B ʜ C) ʝ A (B ʝ C) ʝ A (B ʝ D) ʝ C (B ʝ D) ʜ (C ʝ D) (A ʜ B) ʝ (C ʜ D) Write each set using set-builder notation.