A Population of Bacteria Is Introduced into a Culture $P = 275 \left( 1 + \frac { 7 t } { 47 + t ^ { 2 } } \right)$

question 70

Multiple Choice

A population of bacteria is introduced into a culture. The number of bacteria P can be modeled by $P = 275 \left( 1 + \frac { 7 t } { 47 + t ^ { 2 } } \right)$ where t is the time (in hours) . Find the rate of change of the population when $t = 5.00$ .

• A)87.50 units per dollar
• B)1.17 units per dollar
• C)8.17 units per dollar
• D)8.91 units per dollar
• E)12.50 units per dollar

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Definitions:

Spot Rate

The current market price of a foreign currency, commodity, or security for immediate delivery or settlement.

Home Currency Approach

A method in international finance where transactions are converted and evaluated in the currency of one's own country.

Net Present Value (NPV)

The calculation of the current value of a series of future cash flows generated by an investment, minus the initial cost of the investment.

International Fisher Effect

A theory stating that the difference in nominal interest rates between two countries is equal to the expected change in the exchange rate between the two countries' currencies.