document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=158318>Question 158318</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 1.	The cost, in millions of dollars, to remove x % of pollution in a lake modeled by  C= 6,000 / 200-2x<BR>\n" );
document.write( "a.	What is the cost to remove 75% of the pollutant?\r<BR>\n" );
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document.write( "b.	What is the cost to remove 90 % of the pollutant?\r<BR>\n" );
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document.write( "c.	What is the cost to remove 99% of the pollutant?\r<BR>\n" );
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document.write( "d.	For what value is this equation undefined?\r<BR>\n" );
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document.write( "e.	Do the answers to sections a–d match your expectations? Why or why not?<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #116695 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=116695\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> C=6,000/200-2x<BR>\n" );
document.write( "C=30-2*.75<BR>\n" );
document.write( "C=30-1.5<BR>\n" );
document.write( "C=$28.5 MILLION FOR 75% REMOVAL.<BR>\n" );
document.write( "C=30-2*.90<BR>\n" );
document.write( "C=30-1.8<BR>\n" );
document.write( "C=$28.2 MILLION FOR 90% REMOVAL.<BR>\n" );
document.write( "C=30-2*.99<BR>\n" );
document.write( "C=30-1.98<BR>\n" );
document.write( "C=$28.02 MILLION FOR 99% REMOVAL.<BR>\n" );
document.write( "ALL % YIELD DEFINED ANSWERS.<BR>\n" );
document.write( "INCREASE IN % REMOVAL SHOULD INCREASE NOT DECREASE COSTS.<BR>\n" );
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