Multiple Choice
Identify the
choice that best completes the statement or answers the question.
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1.
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What is the effect on a sine function when a changes from a positive
value to a negative value?
a. | the amplitude becomes negative | c. | the function reflects in the
x-axis | b. | the function reflects in the y-axis | d. | there is no effect on the
function |
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2.
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What are the horizontal and vertical translations of the function  ? a. | 30° to the left and 5 units down | c. | 30° to the right and 5 units
up | b. | 30° to the right and 5 units down | d. | 30° to the left and 5 units
up |
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3.
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What are the horizontal and vertical translations of the function  ? a. | 45° to the left and 1 unit down | c. | 45° to the left and 1 unit
up | b. | 45° to the right and 1 unit down | d. | 45° to the right and 1 unit
up |
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4.
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A sine function has a phase shift of 60° to the right and a vertical
translation of 2 units down. What is a possible equation for this function?
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