Electricity rates. The table to the right shows the electricity rates charged by Better Than Lightning Utilities in the winter months. a. Write a piecewise definition of the monthly charge W(x) for a customer who uses x kWh in-a winter month. b. Determine the graph of W(x) a. Write a piecewise definition of the monthly charge W(x) if 0≤x≤ 500 if 500 < x (Simplify your answers. Use integers or decimals for any numbers in the equation.) W(x) = D Winter (November-June) Base charge, $6.50 First 500 kWh or less at 0.0700/kWh Over 500 kWh at 0.0950/kWh

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