An object moves with velocity as given in the graph below (in ft/sec). How far did the object travel from t = 0 to t = 30? 3 velocity (ft/sec) 2+ 5 10 15 20 25 30 35 40 45 time (sec) Q feetIn order to approximate the area under f(x) = cos(4x) + 7 from x = 5 to x = 18 using 15 rectangles and the right endpoint method, what values should be used for Ax, xi, f(xi), c, and d in the Riemann sum i = c Ax = i = f(xi ) = C = W d =Speedometer readings for a vehicle (in motion) at 8-second intervals are given in the table. t (sec) 0 8 16 24 32 40 48 v (ft/s) 0 6 22 39 49 48 35 Estimate the distance traveled by the vehicle during this 48-second period using L6, Is and M3. L6 = 1344 feet R6 = feet M3 = 1520 feetSpeedometer readings for a vehicle (in motion) at 9-second intervals are given in the table. t (sec) v (ft/s) 0 34 9 33 18 34 27 34 36 28 45 35 Estimate the distance traveled by the vehicle during this 45-second period using the velocities at the beginning of the time intervals. distance traveled ~ feet Give another estimate using the velocities at the end of the time periods. distance traveled ~ feetEstimate the area under the graph of f(ac) = over the interval [3, 8] using ten approximative a + 2 rectangles and right endpoints. Rn = 0.86 Repeat the approximation using left endpoints. In = 0.974 X Report answers accurate to 4 places. Remember not to round too early in your calculations.Estimate the area under the graph of f(a ) = 49 - a over the interval [ - 3, 5] using ten approximati rectangles and right endpoints. Rn = Repeat the approximation using left endpoints. In = Report answers accurate to 4 places. Remember not to round too early in your calculations