The fuel tank shown in the figure in shaped as a frustum of cone with r = 20 in., and H = 2r.
Write a user-defined function (for the function name and arguments, use V = Volfuel (y)) that gives the volume of fuel in the tank (in gallons) as a function of the height y (measured from the bottom). Use the function to make a plot of the volume as a function of h for 0

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1.5r