- 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
AWhat is the charge for using 50 therms in a month?
BWhat is the charge for using 500 therms in a month?
CDevelop a model that relates the monthly charge C for
x therms of gas.
DGraph the function found in part (c).
Source: Peoples Energy, Chicago, Illinois, 2009
1st 50 therms $0.33606/therm
Over 50 therms $0.10580/therm
Gas charge $0.3940/therm
AWhat is the charge for using 50 therms in a month?
BWhat is the charge for using 500 therms in a month?
CDevelop a model that relates the monthly charge C for
DGraph the function found in part (c).