The total revenue function for a certain product is given by R=950x dollars, and the total cost function for this product is C = 30,000 + 30x + x2 dollars, where x is the number of units of the product that are produced and sold. a. Which function is quadratic, and which is linear? b. Find the profit function for this product from these two functions. c. Is the profit function a linear function, a quadratic function, or neither of these? a. Choose the correct answer below. O A. The total cost function is quadratic and the total revenue function is linear. OB. The total revenue function is quadratic and the total cost function is linear. b.P=(Simplify your answer.) c. Choose the correct answer below. O A. The profit function is a quadratic function. OB. The profit function is neither a quadratic function nor a linear function. OC. The profit function is a linear function