document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=159848>Question 159848</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A treasure hunting team of divers is placed in a computer controlled diving cage. The equation d= 40/3t - 2/9t squared describes the depth d ( in feet) that the cage will descend in t minutes.\r<BR>\n" );
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document.write( "A) sketch the graph of the equation d = 40/3t - 2/9t squared.<BR>\n" );
document.write( "B) What part of the graph represents the physical aspects of the problem?<BR>\n" );
document.write( "C) What is the total time of the entire diving experiment? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #117990 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=117990\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A treasure hunting team of divers is placed in a computer controlled diving cage.<BR>\n" );
document.write( " The equation d = 40/3t - 2/9t squared describes the depth d (in feet) that the<BR>\n" );
document.write( " cage will descend in t minutes.<BR>\n" );
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document.write( "A) sketch the graph of the equation d = 40/3t - 2/9t squared.<BR>\n" );
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document.write( "d = y axis; t = x axis: graph equation: y = -(2/9)x^2 + (40/3)x<BR>\n" );
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document.write( "Plot the graph for x=0 to x = 60 (10 min intervals), should look like this:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+graph%28+300%2C+200%2C+-20%2C+80%2C+-100%2C+250%2C+%2840%2F3%29x-%282%2F9%29x%5E2%29+ ALIGN=MIDDLE  ALT=\"+graph%28+300%2C+200%2C+-20%2C+80%2C+-100%2C+250%2C+%2840%2F3%29x-%282%2F9%29x%5E2%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "B) What part of the graph represents the physical aspects of the problem?<BR>\n" );
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document.write( "Only the positive values for x & y<BR>\n" );
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document.write( "C) What is the total time of the entire diving experiment?<BR>\n" );
document.write( "60 min as you can see on the graph </SPAN>\n" );
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