(06.01 HC) A continuously decreasing function that is concave down on the interval [0, 4] is represented by the table. X 0 1.2 2.7 3.5 '4 fix} 0 -1.44 -7.29 -'|2.25 -16 Part A: Find the right Riemann sum estimate of Haney] using the subintervals given in the table. (10 points) Part B: Find the left Riemann sum estimate of Erma] using the subintervals given in the table. (10 points) Part C: Find the trapezoidal estimate of J;f(x}ay_ using the subintervals given in the table. (15 points) Part D: Determine whether the right Riemann sum estimate is an overestimate or an underestimate, based on the properties of the function. (5 points)