A garden store determines the following demand function during early summer for a certain size of tomato plant: x= D(p) = 2p+300/10p+11, where x is the number of plants sold per day when the price is p dollars per plant.
a) Find the elasticity of demand.
b) Find the elasticity when p =$3 per plant.
c) At p=$3, will a small increase in price cause the total revenue to increase or decrease?
