Let f(x)=x^2 and compute the Riemann sum of f over the interval [2,4], choosing the representative points to be the midpoints of the subintervals and using: a. Two subintervals of equal length (n=2) b. Five subintervals of equal length (n=5) c. Ten subintervals of equal length (n=10) d. Can you guess at the area of the region under the graph of f on the interval [2,4]?

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