document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1051678>Question 1051678</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A food truck sells 60 hot dogs each day when it charges $4.00 per hot dog. For a $0.50 decrease in price, the food truck sells 10 more hot dogs.\r<BR>\n" );
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document.write( "a.  How much should the food truck charge to maximize daily revenue?<BR>\n" );
document.write( "The food truck should charge $__ per hot dog.\r<BR>\n" );
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document.write( "b. What is the maximum daily revenue?\r<BR>\n" );
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document.write( "The maximum daily revenue is $__. <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 #667132 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=667132\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+n+ ALIGN=MIDDLE  ALT=\"+n+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = number of $.50 increases in price<BR>\n" );
document.write( "Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+P+ ALIGN=MIDDLE  ALT=\"+P+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = the price of <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+60+%2B+10n+ ALIGN=MIDDLE  ALT=\"+60+%2B+10n+\"   DISABLED_style= \"max-width:90%; height:auto;\" > hot dogs<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+P+=+%28+60+%2B+10n+%29%2A%28+4+-+.5n+%29+ ALIGN=MIDDLE  ALT=\"+P+=+%28+60+%2B+10n+%29%2A%28+4+-+.5n+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+P+=+240+%2B+40n+-+30n+-+5n%5E2+ ALIGN=MIDDLE  ALT=\"+P+=+240+%2B+40n+-+30n+-+5n%5E2+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+P+=+-5n%5E2+%2B+10n+%2B+240+ ALIGN=MIDDLE  ALT=\"+P+=+-5n%5E2+%2B+10n+%2B+240+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "The n-value of <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+P+ ALIGN=MIDDLE  ALT=\"+P+\"   DISABLED_style= \"max-width:90%; height:auto;\" > is <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+n%5Bmax%5D+=++-b%2F%282a%29+ ALIGN=MIDDLE  ALT=\"+n%5Bmax%5D+=++-b%2F%282a%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+n%5Bmax%5D+=+-10%2F%282%2A%28-5%29%29+ ALIGN=MIDDLE  ALT=\"+n%5Bmax%5D+=+-10%2F%282%2A%28-5%29%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+n%5Bmax%5D+=+1+ ALIGN=MIDDLE  ALT=\"+n%5Bmax%5D+=+1+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "--------------------<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+n+=+1+ ALIGN=MIDDLE  ALT=\"+n+=+1+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+P+=+%28+60+%2B+10%2A1+%29%2A%28+4+-+.5%2A1+%29+ ALIGN=MIDDLE  ALT=\"+P+=+%28+60+%2B+10%2A1+%29%2A%28+4+-+.5%2A1+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+P+=+70%2A3.5+ ALIGN=MIDDLE  ALT=\"+P+=+70%2A3.5+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+P+=+245+ ALIGN=MIDDLE  ALT=\"+P+=+245+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "(a)<BR>\n" );
document.write( "The food truck should charge $3.50 per hot dog<BR>\n" );
document.write( "(b)<BR>\n" );
document.write( "The maximum daily revenue is $245<BR>\n" );
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document.write( "check:<BR>\n" );
document.write( "Here's the plot:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+graph%28+400%2C+400%2C+-1%2C+10%2C+-30%2C+280%2C+-5x%5E2+%2B+10x+%2B+240+%29+ ALIGN=MIDDLE  ALT=\"+graph%28+400%2C+400%2C+-1%2C+10%2C+-30%2C+280%2C+-5x%5E2+%2B+10x+%2B+240+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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