MTH 131 Spring 04 -- Practice Test I Exam I is scheduled on Thursday, February 12, 6-7:30 pm, in Chafee 271. 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