Write an expression for the nth term of the geometric sequence. Then find the indicated term. (Round your answer to three decimal places.)
?
?
A. 
, About 1948.270
B. 
, About 1948.270
C. 
, About 1948.270
D. 
, About 1987.236
E. 
, About 1948.270
Answer: C
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Find the second derivative.y = 5x2 + 7x + 4x-3
A. 10 + 48x-1 B. 10x + 7 - 12x-4 C. 10 - 48x-5 D. 10 + 48x-5
Write the shaded area in the figure as a mixed number and as an improper fraction.
A. 1
; 
B. 1
; 
C. 1
; 
D. 2
; 
Solve the problem.An airline with two types of airplanes, P1 and P2, has contracted with a tour group to provide transportation for a minimum of 400 first class, 750 tourist class, and 1500 economy class passengers. For a certain trip, airplane P1 costs $10,000 to operate and can accommodate 20 first class, 50 tourist class, and 110 economy class passengers. Airplane P2 costs $8500 to operate and can accommodate 18 first class, 30 tourist class, and 44 economy class passengers. How many of each type of airplane should be used in order to minimize the operating cost?
A.
| 9 P1 planes and 13 P2 planes |
B. 7 P1 planes and 11 P2 planes
C. 5 P1 planes and 17 P2 planes
D. 11 P1 planes and 7 P2 planes
Solve the problem.A retailer knows that n games can be sold in a month if the price is 
dollars per game. If he buys each game for $14, and if he wishes to make a profit of at least 
per month on sales of this game, how many games must he sell each month?
A. between 30 and 50 games B. between 25 and 40 games C. between 25 and 30 games D. between 30 and 80 games