document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=727017>Question 727017</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A catapult is designed to launch extreme circus performers to ridiculous heights from a raised platform. After launch, the height of the performer in feet is given by h(t)=-16t^2+80t+32.  Where t is seconds after the launch. After how many seconds is the performer 100 feet above the ground? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #444936 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=444936\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A catapult is designed to launch extreme circus performers to ridiculous heights from a raised platform. After launch, the height of the performer in feet is given by h(t)=-16t^2+80t+32.  Where t is seconds after the launch. After how many seconds is the performer 100 feet above the ground?<BR>\n" );
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document.write( "h(t)=-16t^2+80t+32<BR>\n" );
document.write( "-16t^2+80t+32 = 100<BR>\n" );
document.write( "Solve for t<BR>\n" );
document.write( "There are 2 solutions, going up & coming down.<BR>\n" );
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