Page of 6 ZOOM + 10. Find the average value of the function /(r) = 3r - 2r over the Interval [-1,2] 11. For a particular product the Demand and Supply functions are D(x) = 20 -0.05x and 5(x) =2+0.002. Sketch the graphs and using your calculator determine the equilibrium quantity and price. On the graph shade the consumers' and producers' surplus regions. Find the producers' and consumers' surplus