The Cost for Burning a 75-Watt Bulb Is Given by the Function

question 18

Multiple Choice

The cost for burning a 75-watt bulb is given by the function c ( h ) = 0.0045 h , where h represents the number of hours that the bulb burns. How much does it cost to burn a 75-watt bulb for 2 hours per night for a 31-day month? Express your answer to the nearest cent.

• A)$0.28
• B)$0.21
• C)$0.27
• D)$0.22
• E)$0.33

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Definitions:

Fixed Costs

Costs that do not vary with the level of output or activity, remaining constant over a period.

Break-Even Point

The sales volume at which net income is zero; the intersection of the total cost and total revenue lines on a break-even chart.

Break-Even Point

The point at which costs or expenses and revenue are equal, resulting in no net loss or gain from a business or investment.

Variable Cost

Variable cost is the cost that changes in direct proportion to the volume of output or activity in production, services, or other cost-incurred activities.