Solve.John owns a hotdog stand. His profit is represented by 
with P(x) being profit and x the number of hotdogs sold. What is the most he can earn?
A. $77
B. $57
C. $47
D. $25
Answer: B
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Solve.The weight of an object on the Earth's surface is inversely proportional to the square of its distance from the center of the Earth. An object weighs 1100 pounds on the Earth's surface. This is approximately 4000 miles from the center of the Earth. How much would this object weigh 4800 miles from the center of the Earth? (Round to the nearest tenth of a pound.)
A. 1584 pounds B. 763.9 pounds C. 1004.2 pounds D. 916.7 pounds
Solve. Round to the nearest tenth, if necessary.What percent of 112,738 is 82,542?
A. 732.2% B. 0.7% C. 7.3% D. 73.2%
Give the equation of the horizontal asymptote, if any, of the function.R(x) = 
A. y = 0 B. y = -8, y = 5 C. no horizontal asymptotes D. y = -3
Solve the problem.As part of a physics experiment, Ming drops a baseball from the top of a 315-foot building. To the nearest tenth of a second, for how many seconds will the baseball fall? (Hint: Use the formula h = 16t2, which gives the distance h, in feet, that a free-falling object travels in t seconds.)
A. 4.4 sec B. 19.7 sec C. 78.8 sec D. 1.1 sec