Graph the function. Show at least one period.y = 4 sin(-2x - ?)
A. 
B. 
C. 
D. 
Answer: C
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Find the sum Sn of the first n terms of the geometric sequence. 
, 
, 
, . . . ; n = 5
A. 
B. 
C. 
D. 
Solve the percent of change problem.During the first week of December a waiter made $220 in tips. During Christmas week, he made 60% more than this in tips. How much did he make in tips during Christmas week? Round to the nearest cent if necessary.
A. $320.00 B. $352.00 C. $440.00 D. $252.00
Find the volume of the solid generated by revolving the region bounded by the given lines and curves about the 
. y = 
, y = 0, 0 ? x ? 
A. 4?
B. 2?
C. 
?
D. 8?
Solve.Mike works on commission selling electronic equipment. The linear function 
describes his annual income I when his total sales for the year are s. At what level of sales will Mike's income be $41,700?
A. $3,600,000 B. $36,000 C. $360,000 D. $371,000