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Problem 3: Utility Bill (Groups 3 & 6)
A utility company charges for electricity usage as
follows:
•P0.10 per kWh for the first 100 kWh.
*P0.15 per kWh for the next 200 kWh.
⚫PO.25 per kWh for usage over 300 kWh.
Write a piecewise function U(x) to represent the
cost U in terms of the electricity usage x in kWh.