Question

I had been trying this exercise but somehow the platform wants it in another way because I Had calculated the Left and Right Riemman Sum and the value is the same for both
I used 4,4.5,5,5.5,6,6.5,7,7.5 for the Left and 4.5,5,5.5,6,6.5,7,7.5,8 for the Right and its appear to be incorrect.
Please, explain me what is wrong with this problem. Thank You so much!

o wobworkuprm.edu/webwork2/MAIE-3031-Arturo,-Portnoyiquid.2/1/ - 2z on the interval [1, 8 (1 point) The rectangles in the graph below i ustrate a lefi endpoint Riemann sum for f(z) The value of this left endpoint Riemann sum is 277/12 by y z), the x-axis, and the verical lines x - 4 and x -8. , and it is an underestimate of v/ the area of the region enclosed Left endpoint Riemann sum for y 2z on 4, 8) The rectangles in the graph below illustrate a right endpoint Riemann sum for f(z)--+ 2z on the interval 14, 8]. The value of this right endpcint Riemann sum is 277/12 enclosed by 1-f(z), the x-axis, and the vertical lines x = 4 and x = 8. , and it is an an underestimate of the area of the region

O wobwork.uprm.odu/wcbwork2/MATE 3031 Arturo Portnoy/quiz5.2/1 Right endpoint Rlemann sum for y2 on [4,8] Using lert and right Riemann sums based on the ciagrams above, we detinitively conclude that 11.375 i -_ I 2xda

Show transcribed image text o wobworkuprm.edu/webwork2/MAIE-3031-Arturo,-Portnoyiquid.2/1/ - 2z on the interval [1, 8 (1 point) The rectangles in the graph below i ustrate a lefi endpoint Riemann sum for f(z) The value of this left endpoint Riemann sum is 277/12 by y z), the x-axis, and the verical lines x - 4 and x -8. , and it is an underestimate of v/ the area of the region enclosed Left endpoint Riemann sum for y 2z on 4, 8) The rectangles in the graph below illustrate a right endpoint Riemann sum for f(z)--+ 2z on the interval 14, 8]. The value of this right endpcint Riemann sum is 277/12 enclosed by 1-f(z), the x-axis, and the vertical lines x = 4 and x = 8. , and it is an an underestimate of the area of the region
O wobwork.uprm.odu/wcbwork2/MATE 3031 Arturo Portnoy/quiz5.2/1 Right endpoint Rlemann sum for y2 on [4,8] Using lert and right Riemann sums based on the ciagrams above, we detinitively conclude that 11.375 i -_ I 2xda

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