Westside Energy charges its electric customers a base rate

Last updated: 9/6/2023

Westside Energy charges its electric customers a base rate of 7 00 per month plus 10 per kilowatt hour kWh for the first 300 kWh used and 3 per kWh for all usage over 300 kWh Suppose a customer uses x kWh of electricity in one mont a Express the monthly cost E as a piecewise defined function of x Assume E is measured in dollars if 0 x 300 E x b Graph the function E for 0 x 600 E 40 30 20 10 O E 40 30 20 10 if 300 x 100 200 300 400 500 100 600 X 200 300 400 500 600 E 40 30 20 10 E 70 60 50 40 30 20 10 O 100 X 200 300 400 500 600 100 200 X 300 400 500 600