document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=917595>Question 917595</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A carpet store charges a flat fee for installation of carpet that is priced by the square yard. Susan had 12 square yards of carpet installed for a cost of $400. The equation y – 400 = 25(x  – 12) models the revenue of the carpet store, where x is the number of square yards purchased and y is the total cost to the customer. Which function models the cost of buying x square yards of carpet if the customer also pays for installation?\r<BR>\n" );
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document.write( "f(x) = 25x – 388<BR>\n" );
document.write( "f(x) = 25x – 700<BR>\n" );
document.write( "f(x) = 25x + 100<BR>\n" );
document.write( "f(x) = 25x – 412 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #556719 by </B><A HREF=/tutors/aboutme.mpl?userid=MathLover1><B>MathLover1(20849)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathLover1><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/cgi-bin/show-face.mpl?user=MathLover1><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=556719\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+y++-400=+25%28x12%29 ALIGN=MIDDLE  ALT=\"+y++-400=+25%28x12%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > solve for <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y ALIGN=MIDDLE  ALT=\"y\"   DISABLED_style= \"max-width:90%; height:auto;\" > which is = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29 ALIGN=MIDDLE  ALT=\"f%28x%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+y-400+=+25x+300 ALIGN=MIDDLE  ALT=\"+y-400+=+25x+300\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+y++=+25x+-+300%2B400 ALIGN=MIDDLE  ALT=\"+y++=+25x+-+300%2B400\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+y++=+25x%2B100 ALIGN=MIDDLE  ALT=\"+y++=+25x%2B100\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "answer is: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29+=+25x+%2B+100 ALIGN=MIDDLE  ALT=\"f%28x%29+=+25x+%2B+100\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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