MTH 131 Fall 04 -- Practice Test I Exam I is scheduled on Thursday, October 7, 6-7:30 pm. Sections 1,6,7,8,9,10 meet at Independence Auditorium. Sections 2,3,4,5 at Pastore 124. Be sure to know the number of your section and go to the right room. The following problems from the text should provide good practice for Exam I. # 13, page 12 # 17, page 12 # 21, page 12 # 10, page 19 Answer: (a) 79 million bicycles,(b) 1.975 bicycles/year. # 13, page 20 # 15, page 20 # 30, page 21 Answer: (a) k(t) (b) h(t) (c) g(t). # 5, page 37 # 8, page 37 Answer: (a) 1.26% (b) 6.1 billion in 2000, 6.49 billion in 2005. (c) 0.078 billion/year. # 13, page 37 # 15, page 38 # 16, page 38(a) y=486t+2700, rate of growth: 486 mussels/year(b) y=2700(1.18)t, growing at 18% per year. # 15, page 42 # 37, page 43 # 36, page 43 (a) 779 trout, 607 trout (b) 223 trout (c) 4.6 years. # 1, page 48 # 3, page 48 # 16, page 49 Answer: (a) A=100e-0.17t (c) 4.077 hours. # 35, page 72 # 31, page 72 # 17,21,23,25, page 68 # 1, page 99 # 2, page 99Answer: (a) 63 mm3 (b) 10.5 mm3/month (c) 44.4 mm3/month # 9, page 99 # 11, page 100 # 15, page 100 # 9, page 105 # 13, page 105 # 15, page 105