document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1092506>Question 1092506</A>: <I><SPAN STYLE=\"word-break: break-all;\"> An ice cream vendor finds that her daily opening cost is $350 plus $0.60 per portion served. Each portion is sold for $2. <BR>\n" );
document.write( "A) write a linear function to describe the total cost of x- portions. <BR>\n" );
document.write( "B) write the function for revenue earned by the scale of x- portions <BR>\n" );
document.write( "C) how many portions must be produced and sold to break even?<BR>\n" );
document.write( "D) what revenue is earned when the vendor breaks even? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #707126 by </B><A HREF=/tutors/aboutme.mpl?userid=greenestamps><B>greenestamps(13209)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=greenestamps><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=greenestamps><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=707126\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <br>Pretty straightforward stuff.  You should be able to do it yourself.<br><BR>\n" );
document.write( "A: Cost:  The fixed daily operating cost, plus $0.60 for each of the x portions sold.<br><BR>\n" );
document.write( "(Or, to make it better algebraic form, $0.60 for each of the x portions sold, plus the fixed daily operating cost.  That is, \"y = mx+b\" instead of \"y = b + mx\").<br><BR>\n" );
document.write( "B: Revenue:  $2 for each of the x portions sold.<br><BR>\n" );
document.write( "C: She breaks even when her revenue is equal to her cost.  Set the two equations from A and B equal to each other and solve to find the value of x (number of portions sold) that makes revenue = cost.<br><BR>\n" );
document.write( "D: Plug the value from C into the revenue function from B. </SPAN>\n" );
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