8. The fuel economy of a car in miles per gallon (mpg) depends on the speed the car is traveling. A car's fuel economy in the city per x gallons of gas is represented by y = 22x. A car's fuel economy on the highway is shown in the graph below. 400 320 240 , Distance (miles) 80 2 6 10 Amount of Gas (gallons) Does the car have better fuel economy in the city or on the highway? How much better?
