Estimate the area under the graph of $f(x) = 9 - x^2$ over the interval $[-3, 2]$ using four approximating rectangles and right endpoints. $R_n = $ Repeat the approximation using left endpoints. $L_n = $
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The interval is $[-3, 2]$ and we are using $n=4$ rectangles. $\Delta x = \frac{b - a}{n} = \frac{2 - (-3)}{4} = \frac{5}{4} = 1.25$ Show more…
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Vincenzo Z.
Estimate the area under the graph of f(x) = 9 - x^2 over the interval [-3,1] using eight approximating rectangles and right endpoints. Rn = Repeat the approximation using left endpoints. Ln = Report answers accurate to 4 decimal places. Remember not to round too early in your calculations.
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