document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=66648>Question 66648</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I am really lost on this question on how to go about this correctly:\r<BR>\n" );
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document.write( "50. Business and finance. The cost of producing a number of items x is given by<BR>\n" );
document.write( "C= mx + b, in which b is the fixed cost and m is the variable cost (the cost of producing one more item).\r<BR>\n" );
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document.write( "(a) If the fixed cost is $40 and the variable cost is $10, write the cost equation.<BR>\n" );
document.write( "(b) Graph the cost equation.<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 #47348 by </B><A HREF=/tutors/aboutme.mpl?userid=Earlsdon><B>Earlsdon(6294)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Earlsdon><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=47348\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The cost equation is: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=C+=+mx%2Bb ALIGN=MIDDLE  ALT=\"C+=+mx%2Bb\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "If variable cost m = $10 and the fixed cost, b = $40, then the equation becomes:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=C+=+10x+%2B+40 ALIGN=MIDDLE  ALT=\"C+=+10x+%2B+40\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Here's the graph of this equation:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28300%2C200%2C-5%2C5%2C-5%2C60%2C10x%2B40%29 ALIGN=MIDDLE  ALT=\"graph%28300%2C200%2C-5%2C5%2C-5%2C60%2C10x%2B40%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >  </SPAN>\n" );
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