MTH 131 Fall 05 -- Practice Test I

Exam I is scheduled on Wednesday, October 5, 6-7:30 pm, at Biosciences Auditorium. Be sure to bring your graphing calculator for this and other exams. 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 99
Answer: (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