Problem Solving
and Action Example
Drug Addiction Among Teenagers
A Real World Problem
Description of the Problem
The problem
Despite the world being filled with the ever-worsening problems, there
are more young people who have turned to drugs to get awa
Week 4 DQ 2
22. Grade-point average. The grade-point averages of a random sample of 100 students
from a universitys graduating class are:
Interval
1.95-2.15
2.15-2.35
2.35-2.55
2.55-2.75
2.75-2.95
2.95-3.15
3.15-3.35
3.35-3.55
3.55-3.75
3.75-3.95
Frequenc
The Tile Shop runs a weeklong sale twice per year to clear out old inventory
from their supplier. The three types of tile that must be cleared out are Pizarra Catria (x1),
Pistoria Roble (x2), and Constanza Beige (x3). The three types of tile have a sale
Week 1 DQ 2
Jason Dare
Given the function
a)
b)
c)
2
f ( x) x 5 x
, find:
f (2)
f ( 2 h)
f (2 h) f ( 2)
h
d) Translate the following verbal definition of a function into an algebraic function:
Function f squares a domain element and subtracts it from 3 ti
Chapter 3 Review #62
62. A loan company will loan up to 60% of the equity in a home. A family purchased their
home 8 years ago for $83,000. The home was financed by paying 20% down and signing
a 30-year mortgage at 8.4% for the balance. Equal monthly paym
Section 3.2 #80
80. What is the annual nominal rate compounded monthly for a CD that has an annual
percentage yield of 5.9%?
To find the annual nominal rate
r
the annual percentage yield formula can be used, this
formula is as follows:
m
r
APY 1 1
m
Fi
Section 9-2 #43 & #44
43. Transportation. Most railroad cars are owned by individual railroad companies. When
a car leaves its home railroads tracks, it becomes part of a national pool of cars and can
be used by other railroads. The rules governing the us
Section 9-3 #65
65. Medicine. After bypass surgery, patients are placed in an intensive care unit (ICU)
until their condition stabilizes. Then they are transferred to a cardiac care ward (CCW),
where they remain until they are released from the hospital.
Chapter 3 Review #47
47. A company establishes a sinking fund for plant retooling in 6 years at an estimated
cost of $850,000. How much should be invested semiannually into an account
paying 8.76% compounded semiannually? How much interest will the accoun
Week 1 DQ 1
Jason Dare
Option A: Fixed monthly salary of $600, plus a commission of 4% of sales.
Option B: Fixed monthly salary of $800, plus a commission of 6% of sales in excess of
$10,000.
Assuming that monthly sales are always more than $10,000, for w
DQ#1: (Please review the DQ and respond no later than Day 4)
You are to provide your own answers. Show your thought process and
solution steps. You may earn partial credit for incorrect final
answers only if you have demonstrated a clear understanding of
Week 5 DQ 2
For problems 1 4:
a) Determine if the game is strictly determined or non-strictly determined. If the game is strictly
determined then answer the following:
b) Locate the saddle value: Place
over each element for R plays, and
over each element
Running head: WEEK TWO TEAM EXERCISES: TEAM B
Week Two Team Exercises: Team B
Jason Dare, Daniel Fritz, Eric Kratt, Christian Ortiz, Jeff Pasqua, and Matthew Wright
MTH/212
May 26, 2013
Carl Beitsayadeh
1
WEEK TWO TEAM EXERCISES: TEAM B
2
Week Two Team Ex
Section 11-4 #49
49. Medical diagnosis. A tuberculosis patient is given a chest x-ray. Four tuberculosis xray specialists examine each x-ray independently. If each specialist can detect
tuberculosis 80% of the time when it is present, what is the probabil
Week 4 - Discussion Question #1
a) Solve the Application problem #40, section 8-5 of the textbook (p. 426).
b) Compare the above problem & its results with exercise #39 (you can
find the answer in the back of the book) and provide any insights &
concludin
Section 11-4 #54
54. Drug side effects. The probability that a given drug will produce a serious side effect
in a person using the drug is .02. In the binomial distribution for 450 people using the
drug, what are the mean and standard deviation?
p 0.02 q
Week 2 Team Exercises for Team B:
Complete the following in your team meeting:
o Energy Production: Complete the applications exercise no. 82 at the end of
section 1.2 in Ch. 1 of the text (p. 26).
o Balance Sheet: Complete the applications exercise no.
If you have a graphingtscientic calculator, you should be able to use the parentheses and log button to input the entire equation. Although the problem looks the same as the one I had
with a 9% interest rate, Im guessing its the one that is compounded qua
Slope problem - Practice
Problem:
Find the slope of the line through points (-4,-3) and (2,-3).
Slope of the line is:
change in y y 2 y1
slope m
change in x x 2 x1
Let:
( x1 , y1 ) = (?,?)
(-4,-3)
( x 2 , y 2 ) = (?,?)
(2,-3)
Then:
3 3 0
0
2 4 6
slope m
Simplex Method
Presentation
Christian Ortiz, Daniel Fritz, Eric Kratt, Jason Dare, Jeff Pasqua,
Matthew Wright
MTH-212
June 9, 2013
Carl Beitsayadeh
Contents of Presentation
Introduction
History
Rules of the Simplex Method
Team B Real World Problem (The T
Section 4.3 #77
77. Plant food. A farmer can buy four types of plant food. Each barrel of mix A contains
30 pounds of phosphoric acid, 50 pounds of nitrogen, and 30 pounds of potash; each
barrel of mix B contains 30 pounds of phosphoric acid, 75 pounds of
DQ#2: This DQ is non-graded, however it can be used to help fulfill class participation.
You are to provide your own answers. Show your thought process and
solution steps. Discuss concepts and any discrepancies in your
solutions with others.
I would ask e
Week 3- Discussion Question #1
Compare & contrasting the three methods of solving systems of two linear equations with
two variables (i.e. graphing, substitution, and elimination) by listing at least 2 benefits
(advantages) and 2 draw-backs (disadvantages
Section 9-2 #55
55. Rapid transit. A new rapid transit system has just started operating. In the first month
of operation, it is found that 25% of commuters are using the system, while 75% still
travel by car. The following transition matrix was determine
Section 11-2 Mean, Median, and Mode
13. Priceearnings ratios. Find the mean, median, and mode for the data in the following
table.
Price-Earnings Ratios for Eight Stocks in a Portfolio
5.3
10.1
18.7
35.5
12.9
8.4
16.2
10.1
Mean
5.310.118.7 35.5 12.9 8.4 1
Week 3 Discussion Question 2
a) What are the components of a linear programming problem? (Elaborate on each
component in detail)
Objective Find values of the decision variables that produce the optimal value of the
objective function.
Decision Variables T
Week 5 DQ 1
Solve the application problem no. 76 in section 9.1 (p. 442 of the textbook). You can use the
following drawing elements to help you construct the transition matrix.)
A)
B)
A B N
A
B
N
.85 .1 .05
.85 .1 .05
.35 .4 .25
.85 .1 .05
C) Nex