Solve the problem.The daily profit from selling a new action figure is given by 
where P = daily profit and N = average number of figures sold per day. Find the daily profit if N = 1660.
A. $28,465.00
B. $30,695.80
C. $29,577.20
D. $23,568.00
Answer: C
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In a school survey, students showed these preferences for instructional materials. Answer the question.
About how many students would you expect to prefer radio in a school of 350 students?
A. About 18 students B. About 5 students C. About 63 students D. About 126 students
Given that f(x) = sin x, g(x) = cos x, and h(x) = tan x, evaluate the given function. The point (x, 
), on the circle 
, also lies on the terminal side of an angle ? in quadrant II. The point 
, on the circle 
, also lies on the terminal side of an angle ? in quadrant III.g(2?)
A. 
B. 
C. - 
D. - 
Solve the problem.Tides go up and down in a 12.4-hour period. The average depth of a certain river is 10 m and ranges from 5 to 15 m. The variation can be approximated by a sine curve. Write an equation that gives the approximate variation y, if x is the number of hours after midnight and high tide occurs at 5:00 am.
A. y = 5 sin 
+ 10
B. y = 10 sin 
+ 5
C. y = 10 sin 
+ 5
D. y = 5 sin 
+ 10
Determine the value of the trigonometric function of ? using the given information.If csc ? = 
and sec ? = 
, then determine the value of sin ?.
A. 
B. - 
C. 
D. - 