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It says the answer is 32? How do I go about solving this thing? Thanks

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- Sep 30th 2007, 07:11 AMjst706Riemann sum question
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It says the answer is 32? How do I go about solving this thing? Thanks - Sep 30th 2007, 09:00 AMJhevon
do you recall the definition of a finite Riemann sum?

Let the endpoints be and , and be the number of subintervals.

then

if each subinterval is of equal length, then each will be 2 units long. the midpoints would be at and

Thus,

just plug in the values and work them out