document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=280338>Question 280338</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Sky divers. Bob and Betty simultaneously jump from<BR>\n" );
document.write( "two airplanes at different altitudes. Bob’s altitude<BR>\n" );
document.write( "t seconds after leaving his plane is -16t^2 + 6600 feet.<BR>\n" );
document.write( "Betty’s altitude t seconds after leaving her plane is<BR>\n" );
document.write( "-16t^2 + 7400 feet. Write a polynomial that represents the<BR>\n" );
document.write( "difference between their altitudes t seconds after leaving<BR>\n" );
document.write( "the planes. What is the difference between their altitudes<BR>\n" );
document.write( "3 seconds after leaving the planes?<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #203741 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=203741\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Bob(t) = 6600 - 16t^2<BR>\n" );
document.write( "Betty(t) = 7400 - 16t^2<BR>\n" );
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document.write( "Betty(t) - Bob(t) = 800 feet<BR>\n" );
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document.write( "For all values of t, the difference is 800 feet as long as they're in freefall, ignoring air resistance and other physical differences.<BR>\n" );
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