The Number of Reports of a Certain Virus Has Increased $$\mathrm { r } ( \mathrm { t } ) = 142 \mathrm { e } ^ { 0.004 \mathrm { t } }$$

question 212

Multiple Choice

The number of reports of a certain virus has increased exponentially since year 0. The number of cases can be approximated using the function $$\mathrm { r } ( \mathrm { t } ) = 142 \mathrm { e } ^ { 0.004 \mathrm { t } }$$ , where t is the number of years since year 0. Estimate the
Number of cases in year 40.

• A) 125 cases
• B) 167 cases
• C) 333 cases
• D) 160 cases

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Definitions:

Variable Costs

Variable costs are those expenses that change in proportion to the volume of goods or services that a business produces.

Cost Driver

A factor that influences or contributes to the expense of certain business operations or activities.

Support Department

Units within an organization that provide essential services or assistance to revenue-generating departments but do not directly generate revenue themselves.

Number Of Miles

A measurement typically used in contexts such as travel distance, transportation costs, or vehicle usage.