Solve the problem.Kafka Inc. imports hard drives and sells them on the internet. The profit is given by the equation 
where n is the number of hard drives sold. Graph 
for n < 1000. How many hard drives must be sold for the company to break even? Round your answer to the units place, in other words, to the nearest number of hard drives.
A. 67 hard drives
B. 45 hard drives
C. 51 hard drives
D. 47 hard drives
Answer: D
Mathematics
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Find the product.-6x2 y(10x3y + 12x2)
A. -60x5y2 + 12x2 B. -60x5y2 - 72x4y C. -60xy - 72x D. -60x5y2 - 72x4
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Write the inequality using interval notation, and illustrate the inequality using the real number line.-3 < x < 1
A. [-3, 1)
B. (-3, 1)
C. (-3, 1)
D. [-3, 1]
Mathematics
Solve the percent of change problem.A company increased the number of employees from 360 to 400 in the first half of the year. What was the percent of increase during this time period? Round to the nearest tenth of a percent.
A. 10% B. 11.1% C. 52.6% D. 90%
Mathematics
Find the exact value of y, or state that y is undefined.y = sin-1
A. - 
B. 
C. - 
D. 
Mathematics