Solve the problem.A deep sea diving bell is being lowered at a constant rate. After 8 minutes, the bell is at a depth of 400 ft. After 45 minutes the bell is at a depth of 1800 ft. What is the average rate of change of depth? Round to one decimal place.

A. 31.1 ft per minute
B. 37.8 ft per minute
C. 0.03 ft per minute
D. 40.0 ft per minute


Answer: B

Mathematics

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Use the Root Test to determine if the series converges or diverges.

A. Diverges B. Converges

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Solve the problem.A rectangular piece of tin has an area of 1080 square inches. A square of 3 inches is cut from each corner, and an open box is made by turning up the ends and sides. If the volume of the box is 2106 cubic inches, what were the original dimensions of the piece of tin?

A. 24 in. by 45 in. B. 27 in. by 48 in. C. 18 in. by 36 in. D. 21 in. by 42 in.

Mathematics

Provide an appropriate response.An investor purchased 150 shares of a stock at $15.80 per share. The investor holds the stock for 39 weeks and then sells the stock for $19.25 per share. Use the commission schedule for this company given below to find the annual rate of interest earned by this investor. Express your answer as a percentage, correct to one decimal place.PrincipleCommissionUnder $2500$25 + 1.6% of principle$2500 - $7500$38 + 1.1% of principleOver $7500$105 + 0.5% of principle

Fill in the blank(s) with the appropriate word(s).

Mathematics

Find the horizontal asymptote of the given function.f(x) = 

A. y = 7 B. None C. y = 1 D. y = -7

Mathematics