Business Application of Quadratics

        You are currently evaluating your business and trying to decide how much you need to sell to make a profit. Choose one of the following options for your cost and revenue functions. The variable, x, represents the number of units sold. a. space C left parenthesis x right parenthesis equals 3500 plus 3380 x space space space space R left parenthesis x right parenthesis equals 3500 x minus x squared space b. space C left parenthesis x right parenthesis equals 700 plus 620 x space space space R left parenthesis x right parenthesis equals 700 x minus x squared space c. space C left parenthesis x right parenthesis equals 2100 plus 2000 x space space space R left parenthesis x right parenthesis equals 2100 x minus x squared space d. space C left parenthesis x right parenthesis equals 1500 plus 1420 x space space space R left parenthesis x right parenthesis equals 1500 x minus x squared space space e. space C left parenthesis x right parenthesis equals 900 plus 800 x space space space space space R left parenthesis x right parenthesis equals 900 x minus x squared space space f. space C left parenthesis x right parenthesis equals 6300 plus 6140 x space space R left parenthesis x right parenthesis equals 6300 x minus x squared space space g. space C left parenthesis x right parenthesis equals 300 plus 260 x space space space space R left parenthesis x right parenthesis equals 300 x minus x squared space space h. space C left parenthesis x right parenthesis equals 500 plus 440 x space space space space R left parenthesis x right parenthesis equals 500 x minus x squared space For the option you chose, find the value(s) of x (the number of units sold) to break-even. Show all your work by typing it in or uploading a picture of your handwritten work. What is your profit function, P(x)? What is your profit when you sell 10 more than a break-even point? Is that what you expected? Show all your work.