Solve the Problem $$P ( t ) = - 1,840 t ^ { 2 } + 81,000 t + 10,000$$

question 205

Multiple Choice

Solve the problem.
-The population P(t) of a culture of bacteria is given by $$P ( t ) = - 1,840 t ^ { 2 } + 81,000 t + 10,000$$ where t is the time in hours since the culture was started. Determine the time at which the population is at a
Maximum. Round to the nearest hour.

• A) 22 hr
• B) 44 hr
• C) 9 hr
• D) 18 hr

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Definitions:

Project Cost

The total financial expenditure required to complete a project, encompassing all charges and expenses.

Cash Flows

The gross total of financial inflows and outflows from a business, critically influencing its liquidity position.

Rate of Interest

The percentage of an amount of money charged for its use per some period, often annually, reflecting the cost of borrowing money or the return on invested capital.

Initial Investment

Refers to the initial amount of money invested in a project, business venture, or asset, serving as the baseline for future return analysis.