Graph the function and y = cos x in the same rectangular system for 0 ? x ? 2?.y = 4 cos x
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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Solve the right triangle.A = 79° 32', c = 264 m , C = 90°Round side lengths to two decimal places, if necessary.
A. B = 10° 28', a = 259.81 m, b = 54.96 m B. B = 10° 32', a = 260.81 m, b = 40.96 m C. B = 11° 18', a = 259.81 m, b = 47.96 m D. B = 10° 28', a = 259.61 m, b = 47.96 m
Mathematics
Find the x- and y-intercepts of the graph of the equation. y = x2 + 15x + 54
A. x-intercepts: 9, 6; y-intercept: 54 B. x-intercept: 54; y-intercepts: 9, 6 C. x-intercept: 54; y-intercepts: -9, -6 D. x-intercepts: -9, -6; y-intercept: 54
Mathematics
Factor using the trial and error method.12x2 + 7x - 12
A. (12x - 4)(x + 3) B. (3x + 4)(4x - 3) C. (3x - 4)(4x + 3) D. (12x + 4)(x - 3)
Mathematics
Write the decimal as a percent.0.022
A. 0.0022% B. 2.2% C. 22% D. 0.22%
Mathematics