Applications
Using Rational Equations
Motion Applications
Remember that RT = D.
You can still use a table.
Example
A boat can travel 9 miles up a river in the same
amount of time it takes to travel 11 miles down the
river. If the current is 2 miles per ho
Mauders
Review to Midterm Exam
inequalities, Absolute Value Equations and inequalities.
Solve the absolute value equations and inequalities. Graph the solution
and write your answer in interval notation. Graph the solution on the
numberline. (fgmemek 6W
Interval Notation
Interval notation
Solutions to inequalities can be graphed on a
number line.
x<3
)
x3
]
x>3
x3
3
If the endpoint is
included in the
solution ( or ) a
bracket is used
facing toward the
shaded area.
3
(
3
[
3
If the endpoint is not
include
Domain and Range of Functions
Domain
The Domain is all input
(xvalue) values that
the function can take.
Example y 2 x or
f x 2x
This function takes any value x and multiplies it by 2 or doubles it. There are
no restrictions on what values you can plug i
Review to Midterm Exam
Inequalities, Absolute Value Equations and inequalities.
Solve the absolute value equations and inequalities. Graph the solution
and write your answer in interval notation. Graph the solution on the
number line.
1)
=2
3) 

5)
2)
Functions
A Quick Review
Identifying the Domain
Function Types
Linear Functions
Polynomial Functions
Rational Functions
Radical Functions
Linear Functions
Example
Y= 2x + 3
Domain is the x value
that when used as an
input, will produce
exactly one outp
Math 99 Final Review Answers.
1. a. Domain:
0, 2,5, 7
Range:
3,1,10,8
Not a function since the x value of 2 is paired with two different y values in the
range.
b. Domain:
Range:
1
1,0,0.7,7
3, 2,0,
3
Not a function since the x value of 3 is paired wit
Math 99 Final Review
1. Find the domain and range of the relations below. Indicate whether the relation
represents a function. Explain.
a.
b.
1
3, 1 , 2,0 , 0, 1 , ,0.7 , 3,7
3
x
0
2
5
7
2
5
y
3
1
10
1
8
1
2. Determine whether the relations below are
1. Because it is given that:
e=
c
a
By redistributing, we can find that:
ea=c
Because the values of e and a are given in the problem, we can then find the value c for both Neptune and Pluto.
We will first find the value of c for Neptune.
0.00930.10=0.2709
A.
1. Cost for the Silver Plan:
C=cfw_(20 if 0<X200), (0.16x12 if 200<X)
2. Cost for the Gold Plan:
C=cfw_(50 if 0<X1000), (0.08x30 if 1000<X)
3. Cost for the Platinum Plan:
C=cfw_(100 if 0<X3000), (0.04x20 if 3000<X)
B.
C.
1. The Silver Plan is the be
1.
What is the product of the hydrolysis of starch?
A) nucleotides
B) simple sugars (glucose)
C) amino acids
D) fatty acids and glycerol
Points Earned:
1.0/1.0
Correct Answer(s): B
2.
What reagent is added to test for starch?
A) Iodine
B) Zinc
C) Benedict
Crystal Walter
Math 107
Stem & Leaf
June 5, 2016
A Stem and Leaf Plot of Blue m &
ms
This paper will be included directly after your cover page. All answers must be typed with work shown
legibly if done by hand.
Project Grading Rubric:
Description
Appropr
TakeHome Quiz #13
Math 107
INSTRUCTIONS: Neatly complete the following questions covering section 12.6 in the space provided.
1. Given the data set below:
X
Y
2
4
1
5
6
10
3
8
4
9
a. Make a scatter plot for the data. Draw one below that is neat and scale
TakeHome Quiz #12
Math 107
INSTRUCTIONS: Neatly complete the following questions covering section 12.4 12.5 in the space provided.
1. The weight of garbage discarded by households in one week is normally distributed with a mean of 27.433 pounds
and a sta
Quiz 2 (2.12.3)
6. A small town has four police cars. If a radio dispatcher receives a call, depending on the nature of the
situation, no cars, one car, two cars, three cars, or all four cars can be sent. How many options does the
dispatcher have for sen
Project: The Royal House is Full
Originally, in poker you are dealt a five card hand from a standard 52card deck. There is a picture in your book showing
this type of card deck or you can google it if you are unsure.
In poker, some 5card hands are mo
Project #3: The Money Hunt!
Math 107
For this project, you are in charge of investing some money. We are going to
find out the best place to invest in Spokane.
1. Find 5 different institutions (banks, credit unions) in Spokane. Go to each
bank and get a f
Project #2: Arbitrary Venn Diagrams
Math 107
1. Draw a Venn Diagram for four sets in the box below (The box can represent the universal set, U). Be careful to
include regions for each possibility.
2. How many regions do you have in the Venn Diagram you dr
Project #1: Venn Diagrams
Math 107
1. A beverage distributor conducts a survey to determine the most popular carbonated beverage. It asks 700
randomly chosen people to list their three favorite carbonated beverages and obtains the following data:
175 like
Focus Question~ HYPOTHESIS TESTING ONE SAMPLE
You have learned about a very important class of statistical methods called hypothesis
tests. The techniques of hypothesis testing provide a formal way to use sample data to
test claims made about population p