Calculus
posted by Mike .
Approximate the area under the curve of f(x)=9x^2 between x=2 and x=3 by calculating the area of 5 rectangles for both left hand endpoints and right hand endpoints.
I have the left hand and right hand endpoints, what I need help in is solving for the actual area.
Thanks

Calculus 
Steve
Remember that the area is the sum of little rectangles, with width 1 and height f(x) at the endpoints.
There are lots of good online Riemann sum calculators, such as this one:
http://www.emathhelp.net/calculators/calculus2/riemannsumcalculator/
Just plug in your data and see the calculations to verify your results.
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