document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=953082>Question 953082</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A projectile is fired straight upward from the ground with an initial speed of 96 feet per second, then its height h after t seconds is given by the equation\r<BR>\n" );
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document.write( "h(t) = -16t2 + 96t\r<BR>\n" );
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document.write( "Find the maximum height of the projectile. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #582008 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=582008\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A projectile is fired straight upward from the ground with an initial speed of 96 feet per second, then its height h after t seconds is given by the equation\r<BR>\n" );
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document.write( "h(t) = -16t^2 + 96t<BR>\n" );
document.write( "Max is the vertex of the parabola, at t = -b/2a<BR>\n" );
document.write( "t = -96/-32 = 3 seconds<BR>\n" );
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document.write( "h(3) = -16*9 + 96*3 = 144 feet </SPAN>\n" );
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