he profit of a company, in dollars, is the difference between the company's revenue and cost. The cost, C(x), and revenue, R(x), are functions for...

he profit of a company, in dollars, is the difference between the company's revenue and cost. The cost, C(x), and revenue, R(x), are functions for a particular company. The x represents the number of items produced and sold to distributors.

Upper C left parenthesis x right parenthesis equals 2000 plus 40 xC(x)=2000+40x

Upper R left parenthesis x right parenthesis equals 780 x minus x squaredR(x)=780x−x2