8. A company operates a fleet of delivery trucks. Study shows that gallons of fuel consumed per mile of driving, F(x),is related to the speed at which a truck is driven, x miles per hour, by the function:F(x)k1+ k2x; 10 < x < 80,where ki and k2 are parameters that vary somewhat from truck to truck.• Find and write the expression for the speed, x, that will lead o minimal fuel consumption per mile driving.• What speed will provide minimal fuel consumption per mile of driving for a truck having k1 = 4.9, k2 = 0.004?

First, differentiate the given function (F (x)) with respect to x, and set it equal to zero to…

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