SOLUTION: Estimate the area under the graph of f(x) = 1 + x^2 from x = −1 to x = 2 using three rectangles and right endpoints. Then improve your estimate by using six rectangles. Sketch th

Question 1157393: Estimate the area under the graph of f(x) = 1 + x^2 from x = −1 to x = 2 using three rectangles and right endpoints. Then improve your estimate by using six rectangles. Sketch the curve and the approximating rectangles.
Answer by Edwin McCravy(20060) (Show Source): You can put this solution on YOUR website!

  

    

The actual area by integral calculus is 6.  It is easy to see that
the rectangles are over-estimating the actual area.

Edwin

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