Part A Your supervisor has finally given you the equation! It's y = 1 - Use your spreadsheet software and copy and paste the entire worksheet you previously completed. (Make sure you keep a copy of the items completed in Steps 1 and 2). Using the new copy, complete the following: 1. Use spreadsheet software and your previous setup to estimate the area below the curve for the equationy = between 1 and 11 using the following criteria . Left endpoints, n - 5 . Right endpoints, n - 5 . Left endpoints, n - 20 . Right endpoints, no - 20 . Midpoint, n - 20 2. Use your graphing calculator to see the graph of y = d where 1 sxs 11. 2.6 2.OF 1.0 10 12 Insert a screen capture of the spreadsheet with data for the new equation. BIUXX, 15px Characters used: 0/ 15000 Part B Is this function increasing or decreasing? Based on this answer, can you determine whether there will be an underestimate or overestimate using the left endpoint? BIUXX, 15px Characters used: 0/ 15000 Part C Evaluateda . How does the value of the integral compare to your estimates? Explain. BIUXX, 15px Characters used: 0/ 15000 Part D If x is measured in yards and your boss wants a 2" thickness of mulch, how marry cubic yards should he order? BIUXX , 15px Characters used: 0/15000