A Computer company has been selling 1200 computer games per week at $18 each. Data indicates that for each $1 price increases, there will be a loss of 40 sales per week. It costs $10 to produce each game.

Question

Let x represent the number of $1 price increases.

a)state the revenue function.
R(x)=(number of games)(price per game)

b) state the cost function

c) state the profit function

d) wat price will produce the maximum profit?