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Writing Workshop: Who are the Most Influential People in History? — Unit test Answers

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What is the general equation of a cosine function with an amplitude of 3, a period of , and a horizontal shift of ?

Question illustration
A
y = 4 pi cosine (3 (x minus pi))
Option A
B
y = 3 cosine (4 pi (x + pi))
Option B
C
y = 3 cosine (0.5 (x + pi))
Option C
D
y = 4 pi cosine (0.2 (x + pi))
Option D
62
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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
63

Read the original text and the revision.Which revision stands out as most effective for a multimedia presentation slide?

Question illustration
A
Sources were left out.
B
The language is simplified.
C
A lot of the information is left out.
D
Sentences were used instead of phrases.
64

What is the equation of the graph below?

Question illustration
A
y = cosine (x + StartFraction pi Over 2 EndFraction)
Option A
B
y = cosine (x + 2 pi)
Option B
C
y = cosine (x + StartFraction pi Over 3 EndFraction)
Option C
D
y = cosine (x + pi)
Option D
65

A basketball player’s free-throw percentage is the ratio of the number of successful shots made to the number of shots attempted. A basketball player has made 13 of the first 20 free throws she has attempted this season. Which rational expression can be used to find the free throw percentage for the season if she successfully makes her next x free-throw attempts?

A
mc017-1.jpg
Option A
B
mc017-2.jpg
Option B
C
mc017-3.jpg
Option C
D
mc017-4.jpg
Option D

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