Points at which the graphs of r = f(?) and r = g(?) intersect must be determined carefully. Solving f(?) = g(?) identifies some - but perhaps not all - intersection points. The reason is that the curves may pass through the same point for different values of ?. Use analytical methods and a graphing utility to find the intersection points of the given curves for 0 ? ? ? 2?.r = 3, r = 3 + sin ?
A. (0, 0), (0, 3), (?, 3)
B. (0, 0), (3, 0), (3, ?)
C. (3, 0), (3, ?)
D. (0, 3), (?, 3)
Answer: C
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Evaluate the integral by making a substitution (possibly trigonometric) and then applying a reduction formula.
A. 
+ C
B. 
+ C
C. 
ln
+ C
D. 
+ C
Solve for the percentage in the problem. Round to the nearest tenth of a percent. % of 1810 sales is 22 sales.
A. 1.2 B. 22.2 C. 12.2 D. 8227.3
Perform the indicated operation. Write the answer in the form a + bi.
(cos 16° + i sin 16°) ? 
(cos 14° + i sin 14°)
A. 
+ 
i
B. 
- 
i
C. 
+ 
i
D. 
+ 
i
Solve the problem.The Acme Class Ring Company designs and sells two types of rings: the VIP and the SST. They can produce up to 24 rings each day using up to 60 total man-hours of labor. It takes 3 man-hours to make one VIP ring and 2 man-hours to make one SST ring. How many of each type of ring should be made daily to maximize the company's profit, if the profit on a VIP ring is $40 and on an SST ring is $30?
A. 14 VIP and 10 SST B. 12 VIP and 12 SST C. 10 VIP and 14 SST D. 14 VIP and 14 SST