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January 25, 2015

January 25, 2015

Posted by **Serena** on Saturday, July 26, 2008 at 1:59am.

y=(x+2)^(1/2) on [1,4], n=16

How am I suppose to do this?

- Calculus -
**drwls**, Saturday, July 26, 2008 at 3:30amIt looks like they want you to use the trapezoidal rule, which is explained here:

http://metric.ma.ic.ac.uk/integration/techniques/definite/numerical-methods/trapezoidal-rule/

- Calculus -
**Damon**, Saturday, July 26, 2008 at 9:49pmLooks more primitive than trapezoids to me, rectangles.

In each interval, use the y value on the left of that block for the height in part a

In each interval use the y value on the right of that block for part c (you have already calculated most of them for part a because except for the first one on the left, the left in part a becomes the right in part c

Now part b is a pain because you have to calculate new values of y in the middle of each interval and for the area of that block use that height times the interval in x

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