document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=272497>Question 272497</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The cost, in millions of dollars, to remove x % of pollution in a lake modeled by C=6000/200-2x. Answer the following questions:<BR>\n" );
document.write( "a. What is the cost to remove 75% of the pollutant?<BR>\n" );
document.write( "b. Describe what happens to the cost as the percentage of pollution removed increases from 75% and moves toward 100%.\r<BR>\n" );
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document.write( "c. According to this model, is it possible to remove 100% of the pollution? Why or why not? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #199324 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=199324\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The cost, in millions of dollars, to remove x % of pollution in a lake modeled by C=6000/200-2x. <BR>\n" );
document.write( "Answer the following questions:<BR>\n" );
document.write( "a. What is the cost to remove 75% of the pollutant?<BR>\n" );
document.write( "6000/(200-2*75) = 120 million<BR>\n" );
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document.write( "b. Describe what happens to the cost as the percentage of pollution removed increases from 75% and moves toward 100%.<BR>\n" );
document.write( "The cost rises because the denominator of 6000 gets smaller.<BR>\n" );
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document.write( "c. According to this model, is it possible to remove 100% of the pollution? Why or why not?<BR>\n" );
document.write( "No because that would make the denominator zero.<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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