4 Let I = / Rx) dx, where fis the function whose graph is shown below. Answer the following. 0 Y For any value of n, list the numbers Ln, Rn, Mn, Tn and I in increasing order (from smallest to largest). Use the Function menu in CalcPad for the subscripts. In your submitted work, explain how you arrived at your answer based on the shape of the curve (you do not need to actually calculate any approximations).