document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1037014>Question 1037014</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The total profit is defined as total revenue, R(x), minus total cost C(x), and is given by the function P(x)=R(x)-C(x). Given R(x)=59x-0.4x^2 and C(x)=3x+13, Find each of the following:<BR>\n" );
document.write( "a). P(x)<BR>\n" );
document.write( "b). R(90), C(90), and P(90) \r<BR>\n" );
document.write( "\n" );
document.write( "*have to use graphing calculator and I dont have one so i need the answer\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #651715 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39620)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=651715\">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=59x-0.4x%5E2-%283x%2B13%29 ALIGN=MIDDLE  ALT=\"P%28x%29=59x-0.4x%5E2-%283x%2B13%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P%28x%29=59x-0.4x%5E2-3x-13 ALIGN=MIDDLE  ALT=\"P%28x%29=59x-0.4x%5E2-3x-13\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28P%28x%29=-0.4x%5E2%2B56x-13%29 ALIGN=MIDDLE  ALT=\"highlight%28P%28x%29=-0.4x%5E2%2B56x-13%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >-----if you want in its general form.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Let x=90 and evaluate R, C, and P.   You can do all of that without a graphing calculator.  You might use Google as an alternative.  Just type into the search field,  y=-0.4x^2+56x-13, and drag inside the graph to what you want. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );