Find the amplitude and range of the function.y = 2 cos x
A. 
; [-2, 2]
B. 2; [-2, 2]
C. ?; [-2, 2]
D. -2; [-2, 2]
Answer: B
Mathematics
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Add or subtract.13 - (-4)
A. 9 B. -17 C. 17 D. -9
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Use the unit circle to find the indicated quantities.
sin 4?; cos 4?
A. 1; 0 B. -1; 0 C. 0; -1 D. 0; 1
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Determine the slope and the y-intercept of the graph of the equation.-x + 7y - 56 = 0
A. m = 
; (0, 8)
B. m = 7; (0, -56)
C. m = - 
; (0, 8)
D. m = -1; (0, 56)
Mathematics
In which quadrant does the given point lie? (1,6)
A) Quadrant IV B) None of these C) Quadrant I D) Quadrant III E) Quadrant II
Mathematics