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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

Correct Answer:

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