Anonymous

# MATH HELP ALGEBRA!?

An electric utility charges residential customers a $6 monthly fee plus $0.04 per kilowatt hour for the first 500 kWh and $0.08/kWh for usage over 500kWh.

a) Write a piecewise function f(x) that can be used to determine a customer's monthly bill for using x kWh of electricity.

b) A customer uses 613 kWh of electricity in one month. How much should the utility charge the customer? Explain how you determined your answer.

Still have questions? Get your answers by asking now.