The Revenue, in dollars, is equal to the unit selling price, p, of the product, times the number x of units sold. Suppose that p and x are related by:

p(x) = -1/3x + 9,

A) What does the function p(x) represent?

B) Express the Revenue as a function of the number x of units sold and as a function of price.

Revenue as a function of the number of units sold: _______

Revenue as a function of price: _______