In March 2014 a gas company had the rate schedule shown to the right for natural gas usage in single family residences a What is the charge for using 30 therms in a month b What is the charge for using 200 therms in a month c Develop a function that models the monthly charge C for x therms of gas d Graph the function found in part c a The charge for using 30 therms in a month is b The charge for using 200 therms in a month is c C x if 0 x if x Simplify your answers Monthly service charge Delivery charge First 40 therms Over 40 therms Natural gas cost First 40 therms Over 40 therms Simplify your answer Round to the nearest cent Simplify your answer Round to the nearest cent 18 5 0 70202 therm 0 0 3049 therm 0 5637 therm