\\ A company nds that the rate at which the quantity of a product that consumers demand changes with respect to price is given by the marginal-demand function , 3000 _ . D (x) = X2 where x is the price per unit, in dollars. Find the demand function if it is known the demanded by consumers when the price is $3 per unit. t 1004 units of the product are E, \\ D(x)=\\:1