Solve the problem.In a study of traffic control, the number n of vehicles on a certain section of a highway from  to  was found to be  where t is the number of hours after  At what time is the number of vehicles the greatest?

A. 3 p.m.
B. 4:30 p.m.
C. 4 p.m.
D. 5 p.m.


Answer: C

Mathematics

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Find the domain and the range for the function.

A. D: , R: 
B. D: , R: 
C. D: , R: 
D. D: , R: 

Mathematics

Solve the problem.In a distant solar system the diameter of planet A is 7 times as great as the diameter of planet B. The diameter of planet B is 707 miles. Find the diameter of planet A.

A. 4849 mi B. 4942 mi C. 4939 mi D. 4949 mi

Mathematics

Solve the problem.To convert a Fahrenheit temperature to a Celsius temperature, we subtract 32 from the Fahrenheit temperature and then multiply the result by . When the temperature is below 29°F the first grade students are not allowed to play outside. What is this temperature in degrees Celsius?

A. -1.7°C B. 84.2°C C. 20.2°C D. 15.9°C

Mathematics

Provide an appropriate response.Find  if 

What will be an ideal response?

Mathematics