i stuck in this question please solve

4. (a) (i) Use the Midpoint Rule with 4 strips to approximate e- dx a Call the approximation M. (ii) Use the Trapezoidal Rule with 4 strips to approximate Call the approximation T. (ii) Use Simpson's Rule with 8 strips to approximate Call the approximation Ss. Compare S, with the weighted sum =(7, +2M,). What do you notice