Each Unit of a Certain Commodity Costs P = 11x $11 x ^ { 2 } + 12$

Multiple Choice

Each unit of a certain commodity costs p = 11x + 12 cents when x units of the commodity are produced. If all units are sold at this price, express the revenue derived from the sales as a function of x.

A) x(11x + 12) cents
B) 10x + 12 cents
C) $11 x ^ { 2 } + 12$ cents
D) 12x + 12 cents