ComElectric, the Cambridge Power Company, Charges Its Customers $\$ 9.00$ A Month And

Short Answer

ComElectric, the Cambridge power company, charges its customers $\$ 9.00$ a month and $\$ 0.0675$ per kwh, plus a $\$ 0.0315$ per kwh surcharge. (A kwh, or kilowatt-hour, is a unit of electricity supplied). The formula for the monthly cost for $x$ kwh of electricity is $C=b+m x$ dollars, where $b=―――$ and $m=―――$