Graphing Sine and Cosine

Question 1

Which graph has an amplitude of ?

Revolt · Accepted Answer

Answer image: //media.edgenuity.com/EVresources/3111-13-08-20-04-task/mc001-3.jpg

Question 2

What is the range of y = sin(x)?

Revolt · Accepted Answer

Answer image: //media.edgenuity.com/EVresources/3111-13-08-20-05-task/mc001-1.jpg

Question 3

Which is the graph of y = 3sin(x) – 1?

Revolt · Accepted Answer

Answer image: //media.edgenuity.com/EVresources/3111-13-08-20-06-task/mc001-1.jpg

Question 4

Which is the graph of y = –cos(x) – 2?

Revolt · Accepted Answer

Answer image: //media.edgenuity.com/EVresources/3111-13-08-20-07-task/mc001-3.jpg

Question 5

The amplitude of the graph is .

Revolt · Accepted Answer

2; 4

Question 6

Which function is graphed?

Revolt · Accepted Answer

y = –2cos(x) + 4

Question 7

Which of the functions is graphed?

Revolt · Accepted Answer

y = –0.5sin(x) + 1

Question 8

Explain how the graph of y = –2sin(x) – 1 differs from the parent function. Make sure to compare key points used for graphing.

Revolt · Accepted Answer

The graph of y = –2sin(x) – 1 is the graph of the parent function stretched vertically by a factor of 2, reflected over the x-axis, and shifted 1 unit down. The maximum of the parent function is 1, the minimum is –1, and the amplitude is 1. The maximum of y = –2sin(x) – 1 is 1, the minimum is –3, and the amplitude is 2.

Question 9

Maximum:

Revolt · Accepted Answer

4

Question 10

The midline is y = .

Revolt · Accepted Answer

4

Graphing Sine and Cosine Answers

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