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

Short Answer

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 4 hours per night for a 30-day month? Express your answer to the nearest cent. $ __________