1,2

Using rectangles each of whose height is given by the value of the function at the midpoint of the rectangle's base (the midpoint rule), estimate the area under the graph of the following function, using first two and then four rectangles. f(x) = - between x = 4 and x = 8 Using two rectangles, the estimate for the area under the curve is (Round to three decimal places as needed.) Using four rectangles, the estimate for the area under the curve is. (Round to three decimal places as needed.)Use a finite sum to estimate the average value off on the given interval by partitioning the interval into four subintervals 01 equal length and evaluating fat the suhinterval midpoints. y 1'(t) =95 + sin Zen) on [6,3] m 5 v= 95\" \"20") 10 The estimated average value of in) = 9.5 + sin 20:!) on [6.3] is (Simplify your answer.)