Graph the function over a one-period interval.y = 
cos 2 
A. 
B. 
C. 
D. 
Answer: B
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Find the volume of the described solid.The base of the solid is the disk x2 + y2 ? 36. The cross sections by planes perpendicular to the 
between 
and 
are isosceles right triangles with one leg in the disk.
A. 720 B. 144 C. 576 D. 1152
Find the values of x that satisfy the given condition for the function.Solve R(x) ? 0 if R(x) = 
A. (-?, -7) B. (-?, -7) ? [3, ?) C. [3, ?) D. (-7, 3]
Solve the problem.Alan is building a garden shaped like a rectangle with a semicircle attached to one short side. If he has 20 feet of fencing to go around it, what dimensions will give him the maximum area in the garden?
A. width = 
? 2.8, length = 5.6
B. width = 
? 5.6, length = 2.8
C. width = 
? 5.6, length = 7.2
D. width = 
? 3.6, length = 5.4
Indicate what must be done to each side of the equation in order to isolate the variable.8 + x = 9
A. Subtract -8 B. Subtract 9 C. Subtract 8 D. Add 8