Find all solutions of the equation in the interval [0, 2?).(10 cos x - 5)(2 cos x) = 0
A. 
B. 
C. 
D. 
Answer: B
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Graph the one-to-one function as a solid curve and its inverse as a dashed curve on the same axes.f(x) = 
A. 
B. 
C. 
D. 
Solve the problem.The chorus has six sopranos and eight baritones. In how many ways can the director choose a quartet that contains at least one soprano?
A. 1001 ways B. 931 ways C. 986 ways D. 1071 ways
Solve the proportion. Write the solution in decimal form when applicable.
= 
A. 26 B. 68 C. 21.7 D. 21
Set the viewing rectangle of your graphing calculator to 
by 
to solve the problem.Graph the following set of parametric equations for 0 ? t ? 2? and identify the letter of the alphabet that the graph resembles.x1 = -2.5 + 1.2 cos(t),y1 = -2 + 1.2 sin(t)x2 = -2.5 + 0.6t/?,y2 = -2.6 - 0.3t/?
A. a B. Q C. G D. O