Determine the amplitude and range of the function and sketch its graph.y = -2 cos 3x
A. amplitude: 2; range: [0, 2]
B. amplitude: 2; range: [-2, 2]
C. amplitude: 2; range: [-2, 2]
D. amplitude: -2; range: [0, 2]
Answer: C
Mathematics
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A. {(5, -4)} B. {(0, 16)} C. {(x, y)| 4x + y = 16} D. ?
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Find the angles of the trignometric values in degrees. ? represents the unknown angle measure. tan ? = 0.63
A. 13° B. 13.0° C. 32° D. 32.0°
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Write the fraction as a decimal.
A. 
B. 
C. 
D. 
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Find all values that make the expression undefined.
A. 6, -6 B. 5, -3 C. 0 D. -5, -3
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