document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1187932>Question 1187932</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 10.	The total cost to produce x units of paint is C(x) = (5x + 3) (7x + 4). Find the marginal average cost function. </SPAN>\n" );
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document.write( "The marginal average cost function (MC) is the derivative of the average cost function (AC).\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=AC%28x%29+=+C%28x%29+%2F+x ALIGN=MIDDLE  ALT=\"AC%28x%29+=+C%28x%29+%2F+x\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=MC%28x%29+=+%28d%2Fdx%29+AC%28x%29 ALIGN=MIDDLE  ALT=\"MC%28x%29+=+%28d%2Fdx%29+AC%28x%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "First, find the average cost function:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=AC%28x%29+=+C%28x%29+%2F+x ALIGN=MIDDLE  ALT=\"AC%28x%29+=+C%28x%29+%2F+x\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=AC%28x%29+=+%28%285x+%2B+3%29%287x+%2B+4%29%29+%2F+x ALIGN=MIDDLE  ALT=\"AC%28x%29+=+%28%285x+%2B+3%29%287x+%2B+4%29%29+%2F+x\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=AC%28x%29+=+%2835x%5E2+%2B+41x+%2B+12%29+%2F+x ALIGN=MIDDLE  ALT=\"AC%28x%29+=+%2835x%5E2+%2B+41x+%2B+12%29+%2F+x\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=AC%28x%29+=+35x+%2B+41+%2B+12%2Fx ALIGN=MIDDLE  ALT=\"AC%28x%29+=+35x+%2B+41+%2B+12%2Fx\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Now find the marginal average cost function:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=MC%28x%29+=+%28d%2Fdx%29+AC%28x%29 ALIGN=MIDDLE  ALT=\"MC%28x%29+=+%28d%2Fdx%29+AC%28x%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=MC%28x%29+=+35+-+12%2Fx%5E2 ALIGN=MIDDLE  ALT=\"MC%28x%29+=+35+-+12%2Fx%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( " </SPAN>\n" );
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