Let and Compute the Riemann Sum of F Over

Short Answer

Let and compute the Riemann sum of f over the interval , choosing the representative points to be the left endpoints of the subintervals, using:
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Two subintervals of equal length .
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__________ sq units
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Five subintervals of equal length .
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__________ sq units
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Ten subintervals of equal length .
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__________ sq units
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Can you guess at the area of the region under the graph of f on the interval ?
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≈ __________ sq units