please answer them accordingly.

D Question 1 1 pts Use four rectangles to approximate the area of the planar region under the graph of f (x) = 0.4x3 - 1.7x2+13 over the interval [2, 8]. Use the left-most end points; let n = 4, subdivisions So, the approximate area over the interval [2, 8] using 4 rectangles is Get Help: Video 135.375 O 250.688 O 895.147 O 471.250Question 2 1 pts Approximate the area under the curve y = x from x = 3 to x = 6 using a right endpoint approximation with 6 subdivisions. Get Help: Video 2 Get Help: Video O 255.84 352.68 O 500.24 O 685.14Question 3 1 pts Approximate the area under the curve, f(x) graphed below from x = 2 to x = 5 using Left Endpoint approximation with 3 subdivisions. Round your answer to 3 decimal places. f (x) = 1.7 ,x 4 3 2 - 3 6 O out Get help: Video Get help: Video z O 2.572 0 5.874 O 8.749 10.224Question 4 1 pts Estimate the area under the graph of f (x) = over the interval [2, 4] using ten approximationg rectangles and right endpoints Rn = Get help: Video Get help: Video Get help: Video 1.3578965156875 0.1111558865235 O 2.5588810258626 O 0.49772918452451Question 5 1 pts Estimate the area under the graph of f (x) = 2x2 - 8x + 10 over the interval [0, 6] using four approximationg rectangles and left endpoints In = Get help: Video Get help: Video Get help: Video O 24.3 O 52.3 O 46.5 O 63.8D Question 7 Evaluate So ( x 2 + 2 x) dx = _ Get help: Video 38 0 96 O 270 O 433Question 8 1 pts Evaluate the integrals of the functions graphed using the formulas for areas of triangles and circles, and subtracting the areas below the -axis. 4+ V-72 + 18x - x2 3+ 2+ V2x - X2 O 2 4 6 8 10 12X |x - 41 - 2 -2+ -3 0 -4+5x 0 -1+ 61 0 -3+9* 0 -11 - 4/