Mathematics, 30.01.2020 05:02, mirandapaige246
43. cost of natural gas in april 2009, peoples energy had the following rate schedule for natural gas usage in single- family residences:
monthly service charge $15.95 per therm service charge
1st 50 therms $0.33606/therm
over 50 therms $0.10580/therm
gas charge $0.3940/therm
(a) what is the charge for using 50 therms in a month?
(b) what is the charge for using 500 therms in a month?
(c) develop a model that relates the monthly charge c for
x therms of gas.
(d) graph the function found in part (c).
source: peoples energy, chicago, illinois, 2009
Answers: 1
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43. cost of natural gas in april 2009, peoples energy had the following rate schedule for natural ga...
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