Match the Function with the Graph That Best Describes the Situation

question 139

Multiple Choice

Match the function with the graph that best describes the situation.
-The concentration C (arbitrary units) of a certain drug in a patient's bloodstream can be modeled using $$C ( t ) = \frac { t } { ( 0.423 t + 2.366 ) ^ { 2 } }$$ 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) 5.6 hours
• B) 6.4 hours
• C) 7.1 hours
• D) 7.9 hours

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