Solve the problem.Your company uses the quadratic model y = -11x2 + 350x to represent how many units (y) of a new product will be sold (x) weeks after its release . How many units can you expect to sell in week 9?
A. 2259 units
B. 3249 units
C. 3051 units
D. 4041 units
Answer: A
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Solve the problem.Using the Maclaurin series for tan-1 x, obtain a series for 
.
A. 
B. 
C. 
D. 
Divide.4 ÷ 0.008
A. 500 B. 50 C. 0.5 D. 5
Solve the problem.A ball is dropped from 346 feet. If it rebounds 1/3 of the height from which it falls every time it hits the ground, how far will it have traveled in a downward direction when it hits the ground for the fifth time? Round your answer to the nearest tenth of a foot.
A. 522.0 feet B. 527.0 feet C. 510.5 feet D. 516.9 feet
Solve the problem.The number G of gears a machine can make varies directly as the time T it operates. If it can make 7757 gears in 12 hours, how many gears can it make in 8 hours?
A. 5171 gears B. 7777 gears C. 646 gears D. 12 gears