Question 999937: Find the exact area of the region below the graph of y=-x^2+3x+4 above the x axis and between the lines x=-1 and x=4 by taking the limit of a riemann sum.Please.
Answer by Fombitz(32388)   (Show Source):
You can put this solution on YOUR website! Using a step size of 0.2,
Xi, Yi
-0.9, 0.49
-0.7, 1.41
-0.5, 2.25
-0.3, 3.01
-0.1, 3.69
0.1, 4.29
0.3, 4.81
0.5, 5.25
0.7, 5.61
0.9, 5.89
1.1, 6.09
1.3, 6.21
1.5, 6.25
1.7, 6.21
1.9, 6.09
2.1, 5.89
2.3, 5.61
2.5, 5.25
2.7, 4.81
2.9, 4.29
3.1, 3.69
3.3, 3.01
3.5, 2.25
3.7, 1.41
3.9, 0.49
Multiplying by the sum,
In the limit, 
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