Question
Suppose that we want to estimate the area under the graph of f(x)=X^2+x for x=1 and 3. What is the value of the estimate using four rectangles and taking the sample points to be left-hand endpoints?
Answers
You can set it up here to find out:
http://mathworld.wolfram.com/RiemannSum.html
http://mathworld.wolfram.com/RiemannSum.html
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