document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=669765>Question 669765</A>: <I><SPAN STYLE=\"word-break: break-all;\"> . 	A baseball is hit so that its height in feet after t seconds is<BR>\n" );
document.write( "  	 s(t) = -16t2 + 44t + 4.\r<BR>\n" );
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document.write( "a)	How high is the baseball after 1 seconds?  \r<BR>\n" );
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document.write( "b)	Find the maximum height of the baseball. <BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #416583 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=416583\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> . 	A baseball is hit so that its height in feet after t seconds is<BR>\n" );
document.write( "  	 s(t) = -16t2 + 44t + 4.\r<BR>\n" );
document.write( "\n" );
document.write( "a)	How high is the baseball after 1 seconds?  \r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "b)	Find the maximum height of the baseball. <BR>\n" );
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document.write( "without derivatives:<BR>\n" );
document.write( "The vertex of the parabola is at t = -b/2a = -44/-32<BR>\n" );
document.write( "t = 11/8 seconds.<BR>\n" );
document.write( "The calculations are the same.<BR>\n" );
document.write( "====================<BR>\n" );
document.write( "I would also use the derivative, but I don't know if you are familiar with them.<BR>\n" );
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