The Unit Circle

Question 1

The graph shows the function .

Revolt · Accepted Answer

C: y = sin(x) – 6

Question 2

The function rule y = cos(x) + 2 describes graph shown here.

Revolt · Accepted Answer

B: b

Question 3

Which of the following describe the sine function? Check all that apply.

Revolt · Accepted Answer

B: Its period is .; D: Its domain is all real numbers.; E: Its maximum is 1.

Question 4

Identify the transformations needed to graph the cosine function y = –0.5cos(x) – 3 from the parent cosine function. Check all that apply.

Revolt · Accepted Answer

A: vertical compression by a factor of 0.5; C: vertical translation 3 units down; E: reflection across the x-axis

Question 5

The function rule y = –0.5cos(x) – 3 describes graph shown.

Revolt · Accepted Answer

C: c

Question 6

The domain is all real numbers for .

Revolt · Accepted Answer

C: both the sine and cosine function

Question 7

Complete the following statements for the cosine function shown in the graph.The minimum value is .

Revolt · Accepted Answer

B: –0.75

Question 8

The amplitude is .

Revolt · Accepted Answer

C: 0.75

Question 9

Use the graph to identify the amplitude for each function shown.The amplitude of the function shown in orange is .

Revolt · Accepted Answer

F: 6

Question 10

An equation for this function is .

Revolt · Accepted Answer

A: y = 0.75cos(x)

The Unit Circle Answers