document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=665141>Question 665141</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The height s of a baseball in feet after t seconds is given by s(t)=-16t^2+96t+2<BR>\n" );
document.write( "After how many seconds does the baseball reach its maximum height? Show your work.<BR>\n" );
document.write( "Find the maximum hieght of the baseball. Show your work. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #413679 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=413679\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The height s of a baseball in feet after t seconds is given by s(t)=-16t^2+96t+2<BR>\n" );
document.write( "After how many seconds does the baseball reach its maximum height?<BR>\n" );
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document.write( "The max height is the vertex of the parabola.<BR>\n" );
document.write( "Vertex at t = -b/2a = -96/-32 = 3 seconds.<BR>\n" );
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document.write( "Max height is s(3)<BR>\n" );
document.write( "s(3) = -16*9 + 96*3 + 2<BR>\n" );
document.write( "= 146 feet<BR>\n" );
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