document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=451150>Question 451150</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A ball is thrown vertically upward. After t seconds, its height h (in feet) is given by the function . What is the maximum height that the ball will reach? \r<BR>\n" );
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document.write( "h(t)=60t-16t^2\r<BR>\n" );
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document.write( "Do not round your answer </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #310248 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=310248\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The function is a parabola.  The max height is the vertex.<BR>\n" );
document.write( "t = -b/2a = -60/-32 seconds<BR>\n" );
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document.write( "max ht = 56.25 feet<BR>\n" );
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