Solve the problem.The concentration C (arbitrary units) of a certain drug in a patient's bloodstream can be modeled using  where t is the number of hours since a 500 milligram oral dose was administered. Using the TABLE feature of a graphing utility, find the time at which the concentration of the drug is greatest. Round to the nearest tenth of an hour.

A. 4.8 hours
B. 2.5 hours
C. 3.3 hours
D. 4 hours


Answer: B

Mathematics

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Solve the problem.The sum of three consecutive odd integers is 207. Find the integers.

A. 69, 71, 73 B. 71, 73, 75 C. 67, 69, 71 D. 62, 63, 64

Mathematics

Perform the indicated operation. Write the result in standard form.(7 - 5i) + (4 - 2i)

A. 11 - 3i B. 11 - 7i C. -11 - 7i D. 11 + 7i

Mathematics

Solve the problem.An isosceles triangle has at least two sides of equal length. Determine whether the triangle with vertices   and  is isosceles.

A. Yes B. No

Mathematics

To win the World Series, a baseball team must win 4 games out of a maximum of 7 games. To solve the problem, list the possible arrangements of losses and wins.How many ways are there of winning the World Series in exactly 7 games if the winning team loses the first two games?

A. 4 ways B. 2 ways C. 5 ways D. 3 ways

Mathematics