erTest.aspx?testld=248650310¢erwin=yes This test: 13 point(s) Question 13 of 13 This question: 1 poir sessment Use the price-demand equation below to find the revenue function. Sketch a graph of the revenue function, and indicate th x=f(p) = 108-121p R(p) = 108p -12p 4 Which graph below is the graph of the revenue function? O A. O B. O C. AR(P) 207 AR(p) 1300 AR(P) 1300 A -5 85 Region A in the graph of the revenue function is elastic. Region B in the graph of the revenue function is inelastic. VI More