document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=455124>Question 455124</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In the cost function below, C(x) is the cost of producing x itemsl  Find the average cost per item when the number of items is produced.\r<BR>\n" );
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document.write( "C(x)=4.3x+9,300\r<BR>\n" );
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document.write( "What is the average cost per item when 200 items are produced?\r<BR>\n" );
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document.write( "What is the average cost per item when 2000 items are produced?\r<BR>\n" );
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document.write( "What is the average cost per item when 5000 items are produced?\r<BR>\n" );
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document.write( "I am so confused.\r<BR>\n" );
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document.write( "Thank you so much. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #485122 by </B><A HREF=/tutors/aboutme.mpl?userid=flyoung><B>flyoung(1)</B></A><img src=\"/images/stars/iconNewId_16x16.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=flyoung><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=485122\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The correct answer is:  The way to find the AVERAGE cost per item is to use the cost equation and divide it by the number of items.  For Example:<BR>\n" );
document.write( "the average cost = C(x)/x = (4.3x + 9,300)/x.\r<BR>\n" );
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document.write( "So, if x = 200, <BR>\n" );
document.write( "the equation should be average cost = AC(x)= (4.3*(200)+9,300)/200 = 50.8\r<BR>\n" );
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document.write( "if x=2000,<BR>\n" );
document.write( "AC(x) = (4.3*2000+9300)/2000 = 8.95\r<BR>\n" );
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document.write( "If x=5000,<BR>\n" );
document.write( "AC(x) = (4.3*5000+9300)/5000 = 6.16\r<BR>\n" );
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document.write( "Your question asks for the average cost PER ITEM, which is reasonable to assume that the cost would go down with more being made.\r<BR>\n" );
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document.write( "Total Cost = Variable cost + Fixed cost   or TC = VC + FC<BR>\n" );
document.write( "In your equation the fixed cost would be 9300. (set quantity x to zero and solve), while your variable cost would be 4.3x (the more you make the more it costs for supplies, etc).<BR>\n" );
document.write( "The previous tutor StanH actually gave you the answer for total cost, NOT average cost.\r<BR>\n" );
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