Problem 1. (1 point) Problem 3. [1 point} (A) Estimate the area under the graph of (A) Estimate the area under the graph of f(x) = 25 :2 f(x) = 4x3 + 6 from x : 0 to x : 5 using 5 approximating rectangles and right from x : l tox : 3, rst using 4 approximating rectangles and endpoints. right endpoints, and then improving your estimate using 8 approx- imating rectangles and right endpoints. Estimate = 4 Rectangles = (B) Repeat part (A) using left endpoints. 8 Rectangles = Estimate = (C) Repeat part (A) using midpoints. (B) Repeat part (A) using left endpoints. Estimate = 4 Rectangles = Problem 2. (1 point) 3 Rectangles = Speedometer readings for a motorcycle at 12-seconds intervals are given in the table. (C) Repeat part (A) using midpoints. _--Iilllll 4 Rectangles = _ 8 Rectangles = (a) Estimate the distance. in feet. traveled by the motorcycle dur- ing the time interval from 0 to 60 seconds using the velocities at the beginning of the time intervals. (b) Give another estimate using the velocities at the end of the time periods