document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=39541>Question 39541</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The cost of producing a number of items x is given by C=mx+b, in which b is the fixed cost and m is the variable cost (the cost of producing one more item).<BR>\n" );
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 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #24991 by </B><A HREF=/tutors/aboutme.mpl?userid=fractalier><B>fractalier(6550)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=fractalier><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=fractalier><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=24991\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> To get the cost equation, just plug in for m and b to get<BR>\n" );
document.write( "C = 10x + 40<BR>\n" );
document.write( "To graph it, go to the point (0, 40) and plot a point.<BR>\n" );
document.write( "From that point, we have a slope of 10.  We go up 10 and over 1, and plot another point.  Then draw a line thru the points. </SPAN>\n" );
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