Solve the Problem $C ( t )$ , in Milligrams After T Hours Is Modeled By

question 158

Multiple Choice

Solve the problem.
-A drug is injected into a patient and the concentration of the drug is monitored. The drug's concentration, $C ( t )$ , in milligrams after t hours is modeled by $C ( t ) = \frac { 6 t } { 2 t ^ { 2 } + 2 }$ . Estimate the drug's concentration after 4 hours. (Round to the nearest hundredth.)

• A) \(0.71 \mathrm { mg }\)
• B) \(2.40 \mathrm { mg }\)
• C) \(2.34 \mathrm { mg }\)
• D) \(0.65 \mathrm { mg }\)

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Definitions:

Percentage Change

A mathematical calculation that shows how much a quantity has increased or decreased as a proportion of its previous value, often expressed as a percentage.

National Income

The total value of all goods and services produced by a country's economy over a specific period, including income from abroad, and serving as a measure of economic health.

Indirect Business Taxes

Indirect business taxes are taxes levied on goods and services rather than on income or profits, such as sales tax or value-added tax.

Investment

The allocation of resources, usually financial, into assets with the expectation of generating future profit or income.