Question 4 4 pts 120 2:+5 The demand function for a particular item is given by D (x) = Use the information above to determine if each of the following statements is true or false. 120 (A) The Revenue Function is: R(x) = 22+52 (B) The Revenue when 5 items is produced is $40. (C) The Marginal Revenue Function is: R (C) = (22+5) (D) The Marginal Revenue when 5 items is produced is $2.67 600