document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=253732>Question 253732</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A truck traveling at a constant speed on a reasonably straight, level road burns fuel at the rate of g(x) gallons per mile, where x is the speed of the truck in miles per hour and g(x) is given by g(x) = 800+x^2/200x. \r<BR>\n" );
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document.write( "a.) If the fuel cost $1.40 per gallon, write the cost function, c(x), that expresses the cost of fuel for a 500-mile trip as a funstion of the speed, (Hint: 500 X g(x) gallons of fuel are needed to go 500 miles)<BR>\n" );
document.write( "b.) What driving speed will make the cost of fuel for the trip $250?<BR>\n" );
document.write( "c.) What driving speed will minimize the cost of fuel for the trip? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #186068 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=186068\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> There has to be something wrong here <BR>\n" );
document.write( "g(x) = 800+x^2/200x. \r<BR>\n" );
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document.write( "You have x^2 over 200x which naturally removes the x^2 <BR>\n" );
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