document.write( "Question 699296: It reads: A drug is injected into a patient and the concentration of the drug in the bloodstream, is monitored. The drug's concentration, Y, in milligrams per liter, after x hours is modeled by:\r
\n" ); document.write( "\n" ); document.write( " y=(5x)/(x^2+1) \r
\n" ); document.write( "\n" ); document.write( "Find the drugs concentration after 3 hours. I know the answer is 1.5 mg per liter, but I can't figure out how to write it out
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Algebra.Com's Answer #431311 by solver91311(24713)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "Look at your function. Find each and replace it with a 3. Do the arithmetic.\r
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\n" ); document.write( "\n" ); document.write( "John
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\n" ); document.write( "Egw to Beta kai to Sigma
\n" ); document.write( "My calculator said it, I believe it, that settles it
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