document.write( "Question 926018: Find the rate of change in the percent of individuals free of headache pain over the given time span after taking Ibuprofen.
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Algebra.Com's Answer #561939 by MathLover1(20849)\"\" \"About 
You can put this solution on YOUR website!
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\n" ); document.write( "\n" ); document.write( "Recall that rate of change units are output units per input units.
\n" ); document.write( "\"x=0.5\" ->input \"y=5\" ->output
\n" ); document.write( "\"x=3\" \"y1=50\"\r
\n" ); document.write( "\n" ); document.write( "rate of change :
\n" ); document.write( "\"%28y1-y%29%2F%28x1-x%29=%2850-5%29%2F%283-0.5%29=%2845%2F2.5%29=18\"% \r
\n" ); document.write( "\n" ); document.write( "On average,rate of change of \"18\"% individuals are free of headache pain per hour between \"0.5h\" and \"3h\".
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