Quadratic Modeling The table shows fuel efficiencies of a vehicle at different speeds. • Graph the points and determine an appropriate model. • Find and interpret the x and y intercept • Use the equation of your model to find the "optimal" driving speed. Miles per Miles per gallon, y 14.5 hour, x 20 24 17.5 30 21.2 36 23.7 40 25.2 45 25.8 50 25.8 56 25.1 60 24.0 70 19.5

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