AnswersTX-World History StudiesWriting Workshop: Who are the Most Influential People in History?

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

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Determine the following for the transformed cosine function shown whose period is 1,080 degrees.Frequency: 1/1,0801/5405401,080

A
1/1,080
B
1/540
C
540
D
1,080
22
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The period of a function is 4 pi .How many cycles of the function occur in a horizontal length of 12 pi ?

Question illustration
Answer:

3

23

Which of the following have a frequency factor of b = 1?

A
Option
B
Option
C
Option
D
Option
E
Option
F
Option
G
Option
24

From the parent function y = sin(x), the function shown in the graph is shifted

A
units to the right.
B
units to the right.
C
units to the right.
D
units to the right.
25

Consider the function y = cosine (x + StartFraction pi Over 6 EndFraction) Which of the following is true?

Question illustration
A
There is a phase shift to the left.
B
There is a phase shift to the right.
C
The graph is reflected across the x-axis
D
The graph is stretched horizontally.
E
The graph is compressed horizontally.
26

Which transformations are needed to change the parent cosine function to ?

Question illustration
A
vertical compression of 3, horizontal stretch to a period of , phase shift of units to the left
Option A
B
vertical stretch of 3, horizontal compression to a period of , phase shift of units to the right
Option B
C
vertical compression of 3, horizontal stretch to a period of 10p, phase shift of units to the right
Option C
D
vertical stretch of 3, horizontal compression to a period of , phase shift of units to the left
Option D
27

In creating the presentation, the step that comes after gathering information is

A
writing the draft.
B
doing the research.
C
revising and editing.
D
organizing the ideas.
28

A certain company has a fixed cost of $200 per day. It costs the company $3.10 per unit to make its products. The company is tracking its average cost to make x units using . Which statement is true?

Question illustration
A
The horizontal asymptote of y = 3.10 represents that the average cost per unit will approach $3.10 as the number of units produced increases.
B
The horizontal asymptote of y = 0 represents that the average cost per unit will approach $0 as the number of units produced increases.
C
The vertical asymptote of x = 3.10 represents that the average cost per unit will approach $3.10 as the number of units produced increases.
D
The vertical asymptote of x = 0 represents that the average cost per unit will approach $0 as the number of units produced increases.
29

Period =

A
pi / 4
B
pi / 2
C
4pi
30

Which could be an equation for the graph?

A
y = cos(2x)
B
y = sin(2x)
C
y = cos(0.5x)
D
y = sin(0.5x)
31

What is the period of the cosine function shown in the graph? degrees

Answer:

1080

32

b in the equation: 1/1,0801/331,080

A
1/1,080
B
1/3
C
3
D
1,080
33

Which type of transformation of the parent function would be shown by the graph?

A
vertical stretch
B
vertical compression
C
vertical shift
D
horizontal stretch
E
horizontal compression
F
horizontal shift
34

Which could be the equation for the function shown in the graph?

A
Option
B
Option
C
Option
35

Which is the graph of y = cosine (x + StartFraction pi Over 6 EndFraction)

Question illustration
A
Option
B
Option
36

The graph of is the graph of the y = sin(x) shifted in which direction?

Question illustration
A
units to the left
Option A
B
units to the right
Option B
C
units up
Option C
D
units down
Option D
37

What information should be gathered when preparing the multimedia presentation?

A
only the information included in the informative essay
B
more information from the essay than is necessary for the presentation
C
four sources’ worth of information, including the essay
D
all new information so the presentation is different from the essay
38

Which of the following is the graph of ?

Question illustration
A
On a coordinate plane, a curve crosses the y-axis at (0, 0). It has a maximum of 1 and a minimum of negative 1. It goes through 2 cycles at pi.
Option A
B
On a coordinate plane, a curve crosses the y-axis at (0, 0). It has a maximum of 1 and a minimum of negative 1. It goes through 1 cycle at 2 pi.
Option B
C
On a coordinate plane, a curve crosses the y-axis at (0, 0). It has a maximum of 1 and a minimum of negative 1. It goes through 2 cycles at 2 pi.
Option C
D
On a coordinate plane, a curve crosses the y-axis at (0, 1). It has a maximum of 1 and a minimum of negative 1. It goes through 2 cycles at 2 pi.
Option D
39

Horizontal (phase) shift = units

A
pi
B
4
C
0
40

Based on this evidence,When b > 1, the period .

A
decreases
B
increases
C
has no effect on

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