2. When a hat company is setting its prices, it considers customer demand. Demand is the number of hats it will sell at a given price. Suppose the demand d. in hats sold, is d(x) = 350-6x, where x is the price per hat, in dollars. Part A If revenue = price x demand, write a rule for the function r(x), which represents the company's expected revenue in hat sales as a function of price. State the domain. Part B If the price is $25, how much revenue will the company eam?