Mathematics, 01.07.2021 01:00, quinteroalex2001

The fuel economy of car, measured in miles per gallon, is modeled by the function f(s) = -0.009s^2 + 0.699 + 12 where s represents the speed of the car, measured in miles per hour. What the fuel economy of the car when it travel at an average of 20 miles per hour

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The fuel economy of car, measured in miles per gallon, is modeled by the function f(s) = -0.009s^2 +...