Posted by kisha on Wednesday, January 15, 2014 at 1:18am.
Electricity Rates in Florida. Florida Power & Light Company supplies electricity to residential customers for a monthly customer charge of $5.69 plus 8.48 cents per kilowatthour for up to 1000 kilowatthours. (a) Write a linear equation that relates the monthly charge C, in dollars, to the number x of kilowatthours used in a month, 0 ≤ x ≤ 1000. (b) Graph this equation. (c) What is the monthly charge for using 200 kilowatthours? (d) What is the monthly charge for using 500 kilowatthours?(e) Interpret the slope of the line.

pre cal  Henry, Wednesday, January 15, 2014 at 6:09pm
a. C = 8.48x + 5.69
b. (X,C),(0,5.69),(50,429.69),Add more
points for graphing.
c. C = 8.48*200 + 5.69 = $1701.69
d. Same procedure as c.
e. Slope = 8.48
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