document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=108355>Question 108355</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If an inventor charges $4 per unit then her profit for producing and selling x units is given by function<BR>\n" );
document.write( "Px=2.25x-7000<BR>\n" );
document.write( "a)what is her profit if she sells 2000 units?<BR>\n" );
document.write( "b)what is her profit if she sells 5000 units?<BR>\n" );
document.write( "c)what is her break-even point for sales?\r<BR>\n" );
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document.write( "thanks for all the help<BR>\n" );
document.write( "Heather </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #79020 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=79020\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%28x%29=2.25x-7000 ALIGN=MIDDLE  ALT=\"P%28x%29=2.25x-7000\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "a.) P(2000)=2.25(2000)-7000=-$2500<BR>\n" );
document.write( "b.) P(5000)=2.25(5000)-7000=$4250<BR>\n" );
document.write( "c.) At breakeven, revenues equal cost. Since profit equals revenues minus cost, then profit equals zero. She neither makes nor loses money. <BR>\n" );
document.write( "P(x)=0<BR>\n" );
document.write( "2.25x-7000=0<BR>\n" );
document.write( "2.25x=7000<BR>\n" );
document.write( "x=3111.1<BR>\n" );
document.write( "Since she can't make 0.1 of a unit, round up to the next whole number.<BR>\n" );
document.write( "x=3112 units  </SPAN>\n" );
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