Florida Power & Light Company supplies electricity to residential customers for a monthly customer charge of $8.01 plus 8.89 cents per kilowatt hour (kWh) for up to 1000 kilowatt hours. 

(a) Write a linear equation that relates the monthly charge C, in dollars, to the number x of kilowatt hours used in a month, 0 ≤ x ≤ 1000. 

(b) Graph this equation. 

(c) What is the monthly charge for using 200 kilowatt hours? 

(d) What is the monthly charge for using 500 kilowatt hours? 

(e) Interpret the slope of the line.

Transcribed Image Text:

un