point(s) possible Submit test The table to the right shows the electricity rates charged by Better Than Lightning Utilities in the winter months. Winter (November-June) a. Write a piecewise definition of the monthly charge W(x) for Base charge, $8.50 a customer who uses x kWh in a winter month. First 500 KWh or less at 0.0700/kWh b. Determine the graph of W(x) Over 500 KWh at 0.0950/kWh