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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Definitions:

Physical Activity

Any bodily movement produced by skeletal muscles that requires energy expenditure, beneficial for health and fitness.

Cognitive Activity

Mental processes involved in gaining knowledge and comprehension, including thinking, knowing, remembering, judging, and problem-solving.

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A mood disorder causing a persistent feeling of sadness and loss of interest, affecting one's thinking, feeling, and handling of daily activities.

Apolipoprotein ε4

A variant form of the apolipoprotein E protein, associated with increased risk of Alzheimer's disease and other health conditions.