document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=813591>Question 813591</A>: <I><SPAN STYLE=\"word-break: break-all;\"> from 4 feet above the ground, Maya throws a ball upward with the velocity of 18 feet per second. The height h(t) of the ball t seconds after Maya throws the ball given by h(t)=-16t^2+18+4. Find the maximum height reached by the ball and the time that this height is reached </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #489798 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=489798\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Your equation is wrong<BR>\n" );
document.write( "h(t)=-16t^2+18+4<BR>\n" );
document.write( "should be<BR>\n" );
document.write( "h(t)=-16t^2+18t+4<BR>\n" );
document.write( "You want the vertex <BR>\n" );
document.write( "x will be t<BR>\n" );
document.write( "and y will be h(t)<BR>\n" );
document.write( "vertex | (9/16, 145/16)=(0.5625, 9.0625)<BR>\n" );
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