1A Let A Denote The Area Enclosed By The Graph Fx

Question

1(a) . Let A denote the area enclosed by the graph f(x)= 10-x, the x- axis , and the lines x=3 an…

1(a) . Let A denote the area enclosed by the graph f(x)= 10-x,
the x- axis , and the lines x=3 and x =5. Graphing the region and
using plane geometry , find A. (b). Let A denote the area enclosed
by the graph f(x)= (x-1)^2, the x – axis , and te lines x=2 and
x=9. Graphing the region and using plane geometry , we can find
that A=. (c). Suppose S4 is the lower sum of the area enclosed by
the graph f(x)=2x^2 , the x- axis , and the lines x=0 and x =4 by
partitioning [0, 4] into four subintervals [0,1], [1, 2], [2, 3],
and [3, 4]. Find S4. (d) , Suppose S4 is the upper sum of the area
enclosed the graph f(x) =2x^2 , the x- axis , a d the lines x =0
and x = 4 by partitioning [0,4] into four subintervals [0,1], [1
,,2], [2, 3], and [3, 4], Find S4

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