Florida Power & Light Company supplies electricity to residential customers for a monthly customer charge of $5.69 plus 8.48 cents per kilowatt-hour for up to 1000 kilowatt-hours. (a) Write a linear equation that relates the monthly charge C,in dollars,to the number xof kilowatt-hours used in a month, 0  ≤ x ≤ 1000 . (b) Graph this equation.                                                                        (c) Whatisthemonthlychargeforusing200kilowatt-hours?                                 (d) Whatisthemonthlychargeforusing500kilowatt-hours?                          (e) Interpret the slope of the line.

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