October 20, 2011
MATH 131 EXAM 2
(9.1 9.3, 9.5 & 11.1 11.4)
[Pilachowski]
Follow directions carefully:
Use exactly ONE answer sheet per question (use the back of the sheet if needed).
Put your name, your TA's name, your section number and the question n

September 22, 2011 MATH 131 EXAM 1 (8.1-4 & 10.1-5)
1. a. (10 points) Given the integral
subintervals.
t = 4 0 =
4
2
[Pilachowski]
ANSWER KEY
2
0 sin (2t ) dt , approximate its value using Simpsons rule and n = 4
, x 0 = 0, x1 =
4
, x2 =
(
2
, x3 =
)
3
4

Math 131 Exam 2 SOLUTIONS
Fall 2011
1. (a) The total number of matings per day between individuals of a certain species of grasshopper can be
approximated by M (x, y) = 2xy + 10xy2 + 30y2 + 20, where x = temperature in C and y = number of days
since the l

November 22, 2011 MATH 131 EXAM 3
SOLUTIONS
[Pilachowski]
1.a. For parts i. vi. below, use the Venn diagram to the right.
E
F
i. (3 pts) Redraw the Venn diagram with the missing probability filled in.
See diagram to the right.
0.1 0.4 0.2
ii. (4 pts) Find

MATH 131 Final Exam December 15, 201 1
READ AND FOLLOW DIRECTIONS CAREFULLY:
0 Use exactly ONE answer sheet per question (use the back of the sheet if needed).
0 There are 7 questions. Number your answer sheets 1 through 7 at the top where it says Prob

Math 131 FINAL EXAM Spring 2012
Instructions: Write your name, course number, section number, lecture instructor, and problem
number on EACH of the answer sheets. Only write the honor pledge once. Do no more than
ONE full problem per answer sheet; you ma

September 22, 2011
MATH 131 EXAM 1
(8.1 8.4 & 10.1 10.5)
[Pilachowski]
Follow directions carefully:
Use exactly ONE answer sheet per question (use the back of the sheet if needed).
Put your name, your TA's name, your section number and the question numb

Name:_ Section:_
Biomodule #5
Acquired Immunodeficiency Syndrome (AIDS) is a disease spread by infection with
Human Immunodeficiency Virus (HIV) and there has been a recent breakthrough in HIV
therapy. It appears that HIV acquired during childbirth was tr