document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1113479>Question 1113479</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hello!\r<BR>\n" );
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document.write( "A ball is thrown off of the top of a 112 ft building. The height \"h\" of the ball (in feet) at any time \"t\" (in seconds) is given by the function:\r<BR>\n" );
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document.write( "h(t)= -16t^2+96t+112\r<BR>\n" );
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document.write( "1) Find the maximum height the ball reaches. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #728506 by </B><A HREF=/tutors/aboutme.mpl?userid=rothauserc><B>rothauserc(4718)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rothauserc><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=rothauserc><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=728506\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> the path of the ball is a parabola that curves downward<BR>\n" );
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document.write( "we want the y coordinate of the parabola's vertex<BR>\n" );
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document.write( "x coordinate = -b/2a = (-96)/(-2*16) = 3<BR>\n" );
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document.write( "y coordinate = h(t) = -16t^2 +96t +112<BR>\n" );
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document.write( "h(3) = -16(9) +96*3 +112 = 256 feet<BR>\n" );
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document.write( "the maximum height the ball reaches is 256 feet<BR>\n" );
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