webassign.net Let ax) = 5 + 2x2. (3) Estimate the area under the graph of f, the x-axls, and the lines x = 1 and x = 2 using three rectangles and a right endpoints. \"3 = [:1 Improve your estimate by using six rectangles. R6 = [:1 Sketch the curve and the approximating rectangles for R3. y y 12 01 1 2 001 1 2 Q Sketch the curve and the approximating rectangles for Rs- } y 0 l 05 (b) Repeat part (3) using a left endpoints. webassign.net (:2) Repeat part (a) using a midpoints. "a = :1 \"a = [:1 Sketch the curve and the approximating rectangles for Mai .Y X 01 1 2 (DO1 1 2 Sketch the curve and the approximating rectangles for M6. y 12 0-1 (d) From your sketches in parts (a)-(c), which estimate appears to he the most accurate? 0 L6 0 R5 A ,, 4:21 webassign.net (b) Repeat part (a) using a left endpoints. L3 = [ L6 = Sketch the curve and the approximationg rectangles for L3. 12 12 10 10 8 8 2 2 O-1 2 2 12 12 10 10 8 2 2 O-1 1 2 QO-1 1 2 Sketch the curve and the approximationg rectangles for L6. 12 12 10 10 8 8 6 2 2 O-1 -0.5 0.5 1 1.5 2 10-1 -0.5 0.5 1 1.5 2 12 12 10 10 8 8 6 4 4 2 2 O-1 -0.5 0.5 1 1.5 2 -0.5 0.5 1 1.5 2 (c) Repeat part (a) using a midpoints. M3 =