document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=44693>Question 44693</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Business and Finance. 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 or more item). \r<BR>\n" );
document.write( "\n" );
document.write( "(a) If the fixed cost is $40.00 and the variable cost is $10, write the cost equation.\r<BR>\n" );
document.write( "\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 #29562 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=29562\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Given C(x) = mx + b, we merely plug in for the fixed cost (b = $40) and the incremental cost (m = $10)...we get<BR>\n" );
document.write( "C(x) = 10x + 40<BR>\n" );
document.write( "We know this is correct because if x = 0, that is no items produced, our fixed cost would still be $40...<BR>\n" );
document.write( "To graph this, plot the point (0, 40), becaise when x = 0, C(x) = 40...<BR>\n" );
document.write( "Then let x = 1...C(x) = 10(1) + 40 = 50...thus graph the point (1, 50)...<BR>\n" );
document.write( "Connect the dots in a line and you're done... </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );