document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1045991>Question 1045991</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If it costs Microsoft $1,230 to manufacture 8 Kinects per hour for the Xbox 360 and $2,430 to manufacture 16 per hour at a particular plant, obtain the corresponding linear cost function C(x).<BR>\n" );
document.write( "C(x) =\r<BR>\n" );
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document.write( "What was the cost to manufacture each additional Kinect?<BR>\n" );
document.write( "$ \r<BR>\n" );
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document.write( "Use the cost function to estimate the cost of manufacturing 24 Kinects in an hour.<BR>\n" );
document.write( "$  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #661548 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=661548\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Plot <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+C%28x%29+ ALIGN=MIDDLE  ALT=\"+C%28x%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > on the vertical axis<BR>\n" );
document.write( "and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x+ ALIGN=MIDDLE  ALT=\"+x+\"   DISABLED_style= \"max-width:90%; height:auto;\" > on the horizontal axis<BR>\n" );
document.write( "-------------------------------<BR>\n" );
document.write( "You are given 2 points, ( x, C ) on the line:<BR>\n" );
document.write( "( 8,  1230 )<BR>\n" );
document.write( "( 16, 2430 )<BR>\n" );
document.write( "Use general point-slope formula<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28+C+-+1230+%29+%2F+%28+x+-+8+%29+=+%28+2430+-+1230+%29+%2F+%28+16+-+8+%29+ ALIGN=MIDDLE  ALT=\"+%28+C+-+1230+%29+%2F+%28+x+-+8+%29+=+%28+2430+-+1230+%29+%2F+%28+16+-+8+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28+C+-+1230+%29+%2F+%28+x+-+8+%29+=+1200+%2F+8+ ALIGN=MIDDLE  ALT=\"+%28+C+-+1230+%29+%2F+%28+x+-+8+%29+=+1200+%2F+8+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=++%28+C+-+1230+%29+%2F+%28+x+-+8+%29+=+150+ ALIGN=MIDDLE  ALT=\"++%28+C+-+1230+%29+%2F+%28+x+-+8+%29+=+150+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+C+-+1230+=+150%2A%28+x+-+8+%29+ ALIGN=MIDDLE  ALT=\"+C+-+1230+=+150%2A%28+x+-+8+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+C+=+150x+-+1200+%2B+1230+ ALIGN=MIDDLE  ALT=\"+C+=+150x+-+1200+%2B+1230+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+C%28x%29+=+150x+%2B+30+ ALIGN=MIDDLE  ALT=\"+C%28x%29+=+150x+%2B+30+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "-----------------------<BR>\n" );
document.write( "Cost of an additional Kinect?<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+C%28+x%2B1+%29+=+150%2A%28+x%2B1+%29+%2B+30+ ALIGN=MIDDLE  ALT=\"+C%28+x%2B1+%29+=+150%2A%28+x%2B1+%29+%2B+30+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+C%28+x%2B1+%29+=+150x+%2B+150+%2B+30+ ALIGN=MIDDLE  ALT=\"+C%28+x%2B1+%29+=+150x+%2B+150+%2B+30+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+C%28+x%2B1+%29+=+150x+%2B+180+ ALIGN=MIDDLE  ALT=\"+C%28+x%2B1+%29+=+150x+%2B+180+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+C%28+x%2B1+%29+-+C%28x%29+=+150+ ALIGN=MIDDLE  ALT=\"+C%28+x%2B1+%29+-+C%28x%29+=+150+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "$150 for additional Kinect<BR>\n" );
document.write( "--------------------------------<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+C%28x%29+=+150x+%2B+30+ ALIGN=MIDDLE  ALT=\"+C%28x%29+=+150x+%2B+30+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+C%2824%29+=+150%2A24+%2B+30+ ALIGN=MIDDLE  ALT=\"+C%2824%29+=+150%2A24+%2B+30+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+C%2824%29+=+3600+%2B+30+ ALIGN=MIDDLE  ALT=\"+C%2824%29+=+3600+%2B+30+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+C%2824%29+=+3630+ ALIGN=MIDDLE  ALT=\"+C%2824%29+=+3630+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "$3,630\r<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );