The Number of Lumens (Time Rate of Flow of Light)

question 11

Multiple Choice

The number of lumens (time rate of flow of light) L from a fluorescent lamp can be approximated by the model ​
L = -0.294x² + 97.744x - 664.875, 20 ≤ x ≤ 90
​
Where x is the wattage of the lamp.
​
Use a graphing utility to select the graph of the function.Use the graph to estimate the wattage necessary to obtain 2400 lumens.
​

• A)​ 40W
• B)​ 30W
• C)​ 45W
• D)​ 25W
• E)​ 35W

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Definitions:

Financial Advantage

The benefit or edge that a business or individual has that allows them to generate more income or wealth compared to others.

Fixed Manufacturing Overhead

Regular, consistent expenses that do not vary with production levels, such as salaries of supervisors and rent for factory facilities.

Financial Advantage

The benefit obtained from making specific financial decisions or investments, often measured in terms of profit, savings, or a more favorable financial position.

Variable Costs

Expenses that change in proportion to the business activity level.