Finding the area under the graph of a function using the Riemann Sum.
Consider the function f(x)=x2, 1≤x≤3.
Estimate the area under the graph of f using four approximating rectangles and taking the sample points to be:
Evaluating integrals with a Riemann Sum
Consider the function f(x)=x2−5x+3, 2≤x≤5.
Evaluate the Right Riemann sum for f with 6 sub-intervals.
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