document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=292489>Question 292489</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How do you solve:\r<BR>\n" );
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document.write( "The height h in feet reached by a dolphin t seconds after breaking the surface of the water is given by h = -16t^2 + 32t\r<BR>\n" );
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document.write( "How long will it take the dolphin to jump out of the water and touch the trainer's hand?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #211248 by </B><A HREF=/tutors/aboutme.mpl?userid=nerdybill><B>nerdybill(7384)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nerdybill><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=nerdybill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=211248\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The height h in feet reached by a dolphin t seconds after breaking the surface of the water is given by h = -16t^2 + 32t<BR>\n" );
document.write( "How long will it take the dolphin to jump out of the water and touch the trainer's hand? <BR>\n" );
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document.write( "You don't mention how high up the trainer's hand is...  But, I'll assume it is at the highest point at which the dolphin can jump.  If so, you can find this by finding the \"axis of symmetry\":<BR>\n" );
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document.write( "t = -b/2a<BR>\n" );
document.write( "t = -32/(2(-16))<BR>\n" );
document.write( "t = -32/(-32)<BR>\n" );
document.write( "t = 1 second\r<BR>\n" );
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