document.write( "Question 1115149: Find the area under the curve defined by the following data points:\r
\n" ); document.write( "\n" ); document.write( "x 1 4 7 10 13 16 19 22 25
\n" ); document.write( "y 3.7 4.6 6.0 6.2 6.8 7.8 9.1 8.8 9.4
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Algebra.Com's Answer #730032 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
Add them as trapezoids.
\n" ); document.write( "Example, first trapezoid,
\n" ); document.write( "\"A%5B1%5D=%281%2F2%29%283.7%2B4.6%29%284-1%29=12.45\"
\n" ); document.write( "Do that for all eight trapezoids,
\n" ); document.write( "\"A%5Btot%5D=167.55\"
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