Electric Charges For the nonextreme weathermonths, Palmetto Electric charges $7.10 plus 6.747cents per kilowatt-hour (kWh) for customers usingup to 1200 kWh, and charges $88.06 plus 5.788 centsper kWh above 1200 for customers using more than1200 kWh.a. Write the function that gives the monthly chargein dollars as a function of the kilowatt-hours used.b. What is the monthly charge if 960 kWh are used?c. What is the monthly charge if 1580 kWh are used?

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