Determine the amplitude and range of the function and sketch its graph.y = -3 cos 2x
A. amplitude: 3; range: [-3, 3]
B. amplitude: 3; range: [-3, 3]
C. amplitude: -3; range: [0, 3]
D. amplitude: 3; range: [0, 3]
Answer: B
Mathematics
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C. 73
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A. 120 B. 100 C. 4 D. 116
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A. Yes B. No
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A. 27 B. -7 C. -15 D. 11
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