Modeling with Rational Functions — Unit test Answers

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P
PACs enable individuals to donate unlimited amounts of money to campaigns.
P
PACs ensure that the voice of each individual is heard by powerful sitting politicians.
P
PACs facilitate access for individuals to speak to politicians one-on-one.
P
PACs combine individuals’ donations into significant contributions.
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Glasnost and perestroika changed daily life for Soviet citizens economically by

A
allowing private ownership of businesses.
B
allowing the formation of trade unions.
C
imposing limits on the cost of goods.
D
imposing a minimum wage for workers.
303

1.

H
He should wait until his last year in high school to fill out the FAFSA.
H
He should start saving right away. It is never too early to start a savings account.
H
He should work hard throughout middle school and high school or it might be too difficult for him to excel later, since bad habits are hard to break.
H
He should try different sports and clubs in middle school and early high school. Then he should pick his favorites and invest more time in them.
W
While in high school, he should quit all extracurricular activities so he can work more hours and save money.
H
He should ask all his friends and neighbors to contribute to his college fund so it will grow faster.
304

Historical context helps readers understand a text by providing

a
a central idea.
p
personal opinions.
b
background information.
a
a supporting argument.
305

How did the September 11th attacks affect New York City?

A
The city was ashamed because the terrorists were from New York.
B
The city was saddened because foreign visitors were forced to leave.
C
The city suffered because tourists no longer wished to visit New York.
D
The city faced economic problems due to damage in the financial sector.
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I
In the beginning there were various groups of them: ragged little bands that roamed the forest on foot or horseback . . .
I
Ice clung to their eyebrows and beards and eyelashes, and I’d hear them whining and groaning as they walked.
I
In time I began to be more amused than revolted by what they threatened. It didn’t matter to me what they did to each other.
S
Spears flying, swords whonking, arrows raining from the windows and doors of the meadhall and the edge of the woods.
307

Read the excerpt from a book written by Jacob Abbott about Queen Elizabeth.The members of the Parliament went forth immediately to proclaim the new queen. There are two principal places where it was then customary to proclaim the English sovereigns. One of these was before the royal palace at Westminster, and the other in the city of London.

A
to inform readers about information relating to Queen Elizabeth
B
to persuade readers that Queen Elizabeth was a worthy sovereign
C
to entertain readers with exciting tales of royal intrigue
D
to describe for readers the intricate details of the palace at Westminster
310

James Madison, author of “Federalist Number 37,” advocated for a strong central government because

A
he wanted to support other Federalists.
B
he thought it would bring stability to the nation.
C
he thought Europeans would support it.
D
he wanted to become president.
311

Which pair of equations below is a result of constructing the altitude, h, in ?

Question illustration
A
sine A = StartFraction h over c EndFraction sine C = StartFraction h over a EndFraction
Option A
B
sine A = StartFraction h over c EndFraction sine B = StartFraction b over c EndFraction
Option B
C
sine A = StartFraction b over c EndFraction sine C = StartFraction b over a EndFraction
Option C
D
sine C = StartFraction h over a EndFraction sine B = StartFraction b over a EndFraction
Option D
314

Consider the function .Which statement describes the discontinuity at x = 1?

Question illustration
A
a jump discontinuity that cannot be removed by extending the function
B
an infinite discontinuity that cannot be removed by extending the function
C
a removable discontinuity that can be removed by extending the function to include f(1) = 13
D
a removable discontinuity that can be removed by extending the function to include f(1) = –11
315

The development of many new businesses helps limit

u
unemployment.
t
taxation.
r
revenue.
r
risk.
316

Why do developing countries usually have less variety in their economic activities?

L
Limited access to education means that people are not trained to work in industry or technology.
F
Focusing on one or two economic activities leads to more rapid economic development.
D
Developing countries are usually small and have limited populations and resources.
P
People prefer the lifestyle that accompanies traditional activities such as farming.
317

Customers at a sandwich shop have a number of options for a side dish to go with their sandwiches. The manager of the shop tallies the customers’ side dish preferences during a lunch hour. The results are shown in the pie chart below.

Question illustration
A
Side dish choice is a discrete variable.
B
Side dish choice is a categorical variable.
C
Side dish choice is a continuous variable.
D
Side dish choice is a quantitative variable.
319

Bankruptcy is considered a last resort because it stays on someone’s record for

A
one to four years.
B
four to seven years.
C
seven to ten years.
D
eleven to fourteen years.

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