Solve the problem.Suppose you would like to cross a 211-foot wide river in a boat. Assume that the boat can travel 34 mph relative to the water and that the current is flowing west at the rate of 5 mph. If the bearing is chosen so that the boat will land at a point exactly across from its starting point, how long will it take for the boat to make the crossing? Give your answer to the nearest second.
A. 4 sec
B. 9 sec
C. 2 sec
D. 17 sec
Answer: A
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Solve the problem.A boat is towed toward a dock by a cable attached to a winch that stands 15 ft above the water level (see figure). Let ? be the angle of elevation of the winch and let z be the length of the cable as the boat is towed toward the dock. Compute 
when 
A. 
= -0.00030
B. 
= -0.00418
C. 
= -0.26287
D. 
= -0.00446
Solve the inequality. Give the solution set in both interval and graph forms.
t ? - 48
A. [-64, ?)
B. [64, ?)
C. (-?, 64]
D. (-?, -64]
Imagine that a US-based firm wants to begin selling its products in Mexico. Which of the following resources or capabilities are necessary for the firm to succeed in entering the Mexican market?
A. Manufacturing capacity to produce sufficient quantity of its products B. Financial capital to support distribution in Mexico C. Capability to market and sell its products in a country outside the US D. All of these
For the pair of functions, find the indicated composition.f(x) = 
, g(x) = 8x5Find (g ? f)(x).
A. 
B. 
C. 
D. 