Modeling with Rational Functions — Unit test Answers

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486

Read the passages from Lord of the Flies by William Golding.Passage 1They set off again, the hunters bunched a little by fear of the mentioned beast, while Jack quested ahead. . . . Ralph leaned against a tree and at once the daydreams started swarming up. Jack was in charge of the hunt and there would be time to get to the mountain—Once, following his father from Chatham to Devonport, they had lived in a cottage on the edge of the moors. . . .When you went to bed there was a bowl of cornflakes with sugar and cream. And the books—they stood on the shelf by the bed, leaning together with always two or three laid flat on top because he had not bothered to put them back properly. They were dog-eared and scratched. There was the bright, shining one about Topsy and Mopsy that he never read because it was about two girls; there was the one about the magician, which you read with a kind of tied-down terror, skipping page twenty-seven with the awful picture of the spider; there was a book about people who had dug things up, Egyptian things; there was The Boy’s Book of Trains, The Boy’s Book of Ships. Vividly they came before him; he could have reached up and touched them, could feel the weight and slow slide with which The Mammoth Book for Boys would come out and slither down . . . Everything was all right; everything was good-humored and friendly.Passage 2"I’m scared of him,” said Piggy, "and that’s why I know him. If you’re scared of someone you hate him but you can’t stop thinking about him. You kid yourself he’s all right really, an’ then when you see him again, it’s like asthma an’ you can’t breathe. I tell you what. He hates you too, Ralph—”"Me? Why me?”"I dunno. You got him over the fire; an’ you’re chief an’ he isn’t.”"But he’s, he’s, Jack Merridew!”"I been in bed so much I done some thinking. I know about people. I know about me. And him. He can’t hurt you: but if you stand out of the way he’d hurt the next thing. And that’s me.”

A
They both reinforce the idea that almost all people experience fear at times.
B
They both show that some experiences expose innocent people to the dark side of life.
C
They both suggest that it is better to have experiences than to be inexperienced.
D
They both emphasize that children have difficulty with new experiences.
488

Solar winds have an influence all the way to about 160 AU from the Sun. About how many kilometers is that?

A
24,000,000,000 km
B
48,000,000,000 km
C
240,000,000,000 km
D
480,000,000,000 km
489

Fiona is completing the square to solve the polynomial equation.x2 – 4x + 1 = 0

A
isolating the constant 1
B
adding 4 to both sides of the equation
C
isolating the second term, –4x
D
adding 1 to both sides of the equation
490

Which best states the intention of John Steinbeck’s novel The Grapes of Wrath?

A
to describe a family’s difficulties during westward migration
B
to describe the struggles of African Americans
C
to delight readers with a comical story
D
to entertain readers with an upbeat family story
491

After Reconstruction, African Americans in Georgia experienced

A
economic advantages.
B
economic hardships.
C
the ability to vote.
D
election to office.
492

Solve the inequality.2(4+2x)≥5x+5

x
x≤−2
x
x≥−2
x
x≤3
x
x≥3
493

Which of the following was considered unpatriotic during the World War II?

A
driving a car
B
wearing shoes
C
wasting materials
D
eating at a restaurant
494

What was General MacArthur’s main motivation as he led forces in the Southwest Pacific between 1942 and 1944?

A
his sworn commitment to defend Australia
B
his sworn oath to the United States Army
C
his bet with Admiral Nimitz about reaching Japan first
D
his desire to keep his promise to return to the Philippines
495

The graph of the parent function f(x) = x3 is translated to form the graph of g(x) = (x + 5)3 − 6. The point (0, 0) on the graph of f(x) corresponds to which point on the graph of g(x)?

(5, −6)
Option
(−5, −6)
Option
(5, 6)
Option
(−5, 6)
Option
496

first

I
Identify alternatives to the healthcare service.
I
Identify the healthcare service decision to be made.
G
Gather information about the healthcare service.
M
Make a decision as to which healthcare service to use.
497

How does ATP supply energy for cellular activities?

A
by breaking off a phosphate group from its structure
B
by releasing the sugar molecule from its structure
C
by adding a phosphate group to its structure
D
by attaching itself to a glucose molecule
498

Dr. Katherine Pollard, a biostatistical researcher, recently changed the method that she used to compare human and chimpanzee DNA. Her research showed that the differences between the two species’ DNA are in segments called switches, which turn certain genes on or off. What is the most likely outcome of Dr. Pollard’s research?

A
Other scientists will repeat her analysis and this may lead to changes in theories.
B
The laws of segregation and independent assortment will change.
C
Dr. Pollard will change experimental methods and repeat the study.
D
The hypothesis will be rewritten to match the outcome of the study.
499

Which is the best example of the process through which public policy is made?

A
Health officials identify that a public hospital is too busy and give the health department money to hire more doctors.
B
Educators identify that a school that needs replaced and give the school department money to construct a new building.
C
Interest groups identify a rise in childhood obesity and give educators money to add physical activity in public schools.
D
Politicians identify an increase in accidents and give police departments money to enforce new speed limits on highways.
500

Kaitlyn and Allison took a standardized algebra test in different states. Kaitlyn takes the test for Virginia and scores a 458. Allison takes the test for North Carolina and scores a 185. Suppose the mean and standard deviation for the algebra scores for Virginia are 405 and 30, respectively, and the mean and standard deviation for the algebra scores for North Carolina are 152 and 20, respectively. Which student did better on her algebra test?

A
Kaitlyn and Allison did equally well since their scores are both above the mean.
B
Kaitlyn did better since her z-score is higher than Allison’s z-score.
C
Allison did better since her z-score is higher than Kaitlyn’s z-score.
D
Allison did better since her z-score is closer to the mean than Kaitlyn’s z-score.

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