Thanks to smaller and more fuel-efficient models, American carmakers have doubled their average fuel economy over a 13-year period, from 1974 to 1987.The graph depicted in the figure gives the average fuel consumption in miles per gallon (mpg) of domestic-built cars over the period under consideration ( corresponds to the beginning of 1974).Use the trapezoidal rule to estimate the average fuel consumption of the domestic car built during this period.Round the result to the nearest hundredth. (Hint: Approximate the integral .)
A)21.71 mpg
B)20.68 mpg
C)19.26 mpg
D)21.27 mpg

Question

Thanks to smaller and more fuel-efficient models, American carmakers have doubled their average fuel economy over a 13-year period, from 1974 to 1987.The graph depicted in the figure gives the average fuel consumption in miles per gallon (mpg) of domestic-built cars over the period under consideration (  corresponds to the beginning of 1974).Use the trapezoidal rule to estimate the average fuel consumption of the domestic car built during this period.Round the result to the nearest hundredth. (Hint: Approximate the integral  .) 
A)21.71 mpg 
B)20.68 mpg 
C)19.26 mpg 
D)21.27 mpg

Quizplus · Accepted Answer

The Answer of Thanks to smaller and more fuel-efficient models, American carmakers have doubled their average fuel economy over a 13-year period, from 1974 to 1987.The graph depicted in the figure gives the average fuel consumption in miles per gallon (mpg) of domestic-built cars over the period under consideration (  corresponds to the beginning of 1974).Use the trapezoidal rule to estimate the average fuel consumption of the domestic car built during this period.Round the result to the nearest hundredth. (Hint: Approximate the integral  .) 
A)21.71 mpg 
B)20.68 mpg 
C)19.26 mpg 
D)21.27 mpg

Thanks to Smaller and More Fuel-Efficient Models, American Carmakers Have