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## Homework Statement

Give the upper sum for f(x)=4-x

^{2}on the interval [-1,1] with respect to the partition P{ -1, -0.5, 0.5, 1]

Give the lower sum for f(x)=4-x

^{2}on the interval [-1,1] with respect to the partition P{ -1, -0.5, 0.5, 1]

## Homework Equations

## The Attempt at a Solution

How do I do this again? Lower sum should be the area under the curve. You'd just integrate then on the interval given (-1,1) ? Also don't know anymore how to do upper sum.