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10. Which statement is True? a. The U-Substitution method for integration is based on the chain rule for derivatives. b. Integration and differentiation are reverse processes. c. The Integration by Parts method is based on the product rule for derivatives. d. None of these 11. Multiple Choice Look at the graph of the bounded region shown below. If we wished to find the volume of revolution when it is revolved about the line y = -1 and we integrated with-respect-to x then we would need to use which method? c. Cross Sections d. Newton a. Shell b. Disk/Washer 12. If we wished to integrate / 2 dx by U-substitution, which choice of u will be appropriate? a. u = x b. u = x2 C. u= x2+ 1 d. u = tan-1x 13. When your graphing calculator is used to find the volume of revolution described below accurate to three decimal places, which is the correct volume? a. 40.052 b. 41.888 A region bounded by the curves x = 0, y = -2x + 8 and y = 2* is revolved about the line x = -1. c. 81.940 d. 84.067