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If f(x) = 2x2 − 7, 0 ≤ x ≤ 3, find the Riemann sum with...

If f(x) = 2x2 − 7, 0 ≤ x ≤ 3, find the Riemann sum with n = 6, taking the sample points to be midpoints. What does the Riemann sum represent? Illustrate with a diagram.

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