7. [0.49/1 Points] DETAILS PREVIOUS ANSWERS SCALC8 4.1.002. MY NO Consider the following. y 32 y = f(x) 16 0 16 X 32 (a) Use six rectangles to find estimates of each type for the area under the given graph of f from x = 0 to x = 48. (i) Sample points are left endpoints. L6 = (ii) Sample points are right endpoints. R6 = 340 X (iii) Sample points are midpoints. M6 =9. [0/1 Points] DETAILS PREVIOUS ANSWERS SCALC8 4.1.026. (a) Use the definition to find an expression for the area under the curve y = x from 0 to 1 as a limit. n lim X n - 00 i = 1 X (b) The following formula for the sum of the cubes of the first n integers is proved in Appendix E. Use it to evaluate the limit in p 13 + 23 + 33 + ... + 3 = ( n + 1) 12 2 0 X Need Help? Read It