Use the fundamental identities to simplify the expression.tan2? csc2?
A. sin ?
B. tan2?
C. sec2?
D. cos3?
Answer: C
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Write the first four elements of the sequence. 
n
A. 1, 
, 
, 
B. 2, 
, 
, 
C. 0, 2, 
, 
D. 0, 1, 
, 
Provide an appropriate response.
If C(x) = 5x + 1,000 and A(x) = 
, R(x) = $30x, and P(x) = R(x) - C(x), then if x = 100, P(x) =
A. 1,900 B. 1,700 C. 1,300 D. 1,500
For the food described, find the percent of total calories from fat. If necessary, round to the nearest tenth of a percent.Salad dressing serving size 60 tablespoons. CaloriesTotal 60From fat 18
A. 15% B. 3% C. 333% D. 30%
Solve the problem.It is estimated that the total value of a stamp collection is given by the formula 
where t is the number of years from now. If the inflation rate is running continuously at 4% per year so that the (discounted) present value of an item that will be worth $v in t years' time is given by 
Sketch the graph of the discounted value as a function of time at which the stamp collection is sold. The graph has an absolute maximum at (0, 41,200), and a local maximum at one other point. What is the value of t at the local maximum? What is the discounted
value of the collection at that time?
A. 
; at which time the discounted value is 
.
B. 
; at which time the discounted value is 
.
C. 
; at which time the discounted value is 
.
D. 
; at which time the discounted value is 
.