Solve. Use the fact that the radius of the Earth is 3960 miles and 1 mile = 5280 feet.A person who is 7 feet tall is standing on the beach and looks out onto the ocean. Suddenly, a ship appears on the horizon. How far is the ship from the shore? Round to the nearest tenth of a mile.
A. 5600.3 mi
B. 4.6 mi
C. 3.2 mi
D. 235.6 mi
Answer: C
Mathematics
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Calculate the derivative of the function. Then find the value of the derivative as specified.f(x) = 
; f '(-1)
A. f '(x) = - 
; f '(-1) = -8
B. f '(x) = 
; f '(-1) = 8
C. f '(x) = 8; f '(-1) = 8
D. f '(x) = - 8x2; f '(-1) = - 8
Mathematics
Use the Comparison Test to determine if the series converges or diverges.
A. diverges B. converges
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Graph the function.y = -3 cos (2?x + 4?)
A. 
B. 
C. 
D. 
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Change the percent to a decimal.
Fill in the blank(s) with the appropriate word(s).
Mathematics