Modeling with Rational Functions — Unit test Answers

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Which lines must be revised because they are not objective? Select 2 options.

A
“I Have a Dream” is one of our nation’s most well-known speeches.
B
I am a great fan of Dr. Martin Luther King Jr.
C
His “I Have a Dream” speech uses repetition, allusion and metaphor.
D
These techniques are brilliantly woven throughout his speech
E
Dr. King encourages his audience to work for a more equal nation.
543

The conditional relative frequency table below was generated by column using data comparing gender and a person's favorite meal to cook.Which would most likely indicate an association between the categorical variables?

Question illustration
A
The value of A is similar to the value of B.
B
The value of A is similar to the value of E.
C
The value of B is not similar to the value of C.
D
The value of B is not similar to the value of F.
545

Which of these stories is most likely a myth?

A
a story about a girl who got a bad haircut
B
a story about a boy who visited a different country
C
a story about a girl who became a goddess
D
a story about a boy who learned about courage
546

Read the excerpt from A History of the World in 100 Objects.The slit drum began its life in Central Africa, in the region where Sudan and the Congo share a frontier, and it would have been part of the court orchestra of a powerful chief... The flanks of the drum have been carved to different thicknesses, so that a skilled drummer with a traditional drumstick can produce at least two tones and as many as four distinct pitches.

I
It would signal to the listener that more important ideas about the slit drum’s history would be coming in the next section.
I
It would emphasize to the listener how different drums and other musical instruments sounded like in the past.
I
It would make the listener more able to feel the same emotions as the people who had heard the drums in the past.
I
It would make it easier for the listener to duplicate the sounds the drums made on his or her own musical instruments.
547

Which transformations are needed to change the parent sine function to the sine function below?

Question illustration
A
vertical compression of , horizontal stretch to a period of , vertical shift of 1 unit up, phase shift of units left
Option A
B
vertical stretch of 2, horizontal compression to a period of , vertical shift of 2 units up, phase shift of units left
Option B
C
vertical stretch of , horizontal compression to a period of , vertical shift of 1 unit up, phase shift of units left
Option C
D
vertical compression of , horizontal stretch to a period of , vertical shift of 1 unit down, phase shift of units left
Option D
549

Which best describes how Brown v. Board of Education affected the United States?

A
It prompted the creation of the Southern Manifesto.
B
It forced Southern states to segregate their schools.
C
It dealt a blow to segregation in public facilities.
D
It allowed Linda Brown to attend a better public school.
550

The negative impact of President Reagan’s involvement in the Iran-Contra Affair was offset by the

A
invasion of Grenada.
B
signing of the INF Treaty.
C
release of hostages in Iran.
D
ousting of the Sandinistas.
553

What is a central idea of a speech?

A
the purpose of a speech
B
the type of audience
C
key ideas that support a topic
D
the speaker's most important idea
554

Discuss why using a varied sentence structure is important in your writing.

Answer:

Answers will vary, but should mention how this relates to audience understanding, flow, and other concepts presented in the lecture and reading.

555

Which function has a horizontal asymptote of y = 3?

f
f(x) = 3(2x)
f
f(x) = 2(4)x–3
f
f(x) = 2(3x)
f
f(x) = 2(4x) + 3
556

Which expression is equivalent to ?

Question illustration
A
StartFraction x Superscript one-half baseline Over y z squared EndFraction
Option A
B
StartFraction x Superscript one-half baseline Over y Superscript one-fourth Baseline z squared EndFraction
Option B
C
StartFraction y Superscript one-half Baseline Over x z squared EndFraction
Option C
D
StartFraction x z squared Over y Superscript one-half EndFraction
Option D
558

What information do stage directions in a play usually include?

A
the words the characters say
B
the actions the characters take
C
the names of all the characters
D
the things the characters enjoy doing

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