**How To Find The Maximum Revenue**. Determine maximum revenue, for the following demand functions of some items, where x is the number of items sold in thousands.a. An alternative and more general method once demand is specified as a function of price is to use calculus.

P = price of products at maximum. Say director a has made 10 movies each with actors x,y and z, similarly. Determine maximum revenue, for the following demand functions of some items, where x is the number of items sold in thousands.a.