Write the Word or Phrase That Best Completes Each Statement

Multiple Choice

Write the word or phrase that best completes each statement or answers the question.
Solve the problem.
-The concentration C (arbitrary units) of a certain drug in a patientʹs 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 isgreatest. Round to the nearest tenth of an hour.

A) 3.8 hours
B) 5.3 hours
C) 4.6 hours
D) 6.1 hours