Determine the amplitude and find the phase shift in radians (to the nearest tenth).y = 4 sin x + 7 cos x
A. 
, 0.5
B. 
, -0.5
C. 130, -0.5
D. 130, 0.5
Answer: A
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Solve the problem.A company applies a clear glaze finish on the outside of the ceramic bowls it produces. The bowl corresponds to the bottom half of a sphere which is created by rotating the circle 
around the x-axis. The finish is to be 0.2 cm thick, and the company wants to create 3000 bowls. Use the fact that 
to calculate how many liters of finish are required. Assume that all specifications for the bowl are in cm.
A. 150.8 L of finish B. 60.32 L of finish C. 30.16 L of finish D. 1.51 L of finish
Evaluate the function f at the indicated value.
{8x + 1, if x < 16x, if 6 ? x ? 96 - 6x, if x > 9
A. 55 B. 36 C. 9 D. -30
Solve the system of equations by the substitution method.
A. (2, -2) B. (-2, -3) C. (-3, -2) D. no solution
Subtract. 0 - (-14)
A. 14 B. 0 C. -14 D. 28