Let  and compute the Riemann sum of f over the interval , choosing the representative points to be the left endpoints of the subintervals, using:

?

Two subintervals of equal length .

?

__________ sq units

?

Five subintervals of equal length .

?

__________ sq units

?

Ten subintervals of equal length .

?

__________ sq units

?

Can you guess at the area of the region under the graph of f on the interval ? Round your answer to the nearest tenths.

? __________ sq units



What will be an ideal response?


10.25; 11.68; 12.17; 12.7

Mathematics

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