Not too sure what to do or where to begin. If you guys can help me out that's be great.
2026-03-27 23:40:57.1774654857
Finding F(x) for Riemann Sum
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Do you know what a "Riemann sum" is? A Riemann sun is a sum of the form $\sum f(x_i)\Delta_i$ that approaches the integral $\int f(x)dx$ as the number of partitions goes to infinity. It should be clear that $\frac{6}{n}$ is constant for all terms and that if you a interval of length 6 into n parts, the length of each part, the $\Delta_i$, for every i, is 6/n. So the "6/n" part is the "$\Delta_i$". That means that the remaining part, $\sqrt{8+ \frac{6i}{n}}$ is the "f(x)" part.