document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=906420>Question 906420</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If a ball is thrown upward with a speed of 24 feet per second, then t seconds later its height h is h(t) = 24t &#8722; 16t^2 . \r<BR>\n" );
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document.write( "The maximum height that the ball reaches is ____ feet \r<BR>\n" );
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document.write( "The ball reaches its maximum height when t = ____ seconds. \r<BR>\n" );
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document.write( "The ball hits the ground ____ seconds after it was thrown. \r<BR>\n" );
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document.write( "What is the average rate of change in the ball's height from t = a to t = a + h? (Don't forget to simplify Average rate of change = ____ feet/second </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #549820 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=549820\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> h(t) = 24t &#8722; 16t^2<BR>\n" );
document.write( "-32t+24=0<BR>\n" );
document.write( "4t=3<BR>\n" );
document.write( "t=.75 sec at max h(t)=9 ft<BR>\n" );
document.write( "0= 24t &#8722; 16t^2\r<BR>\n" );
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document.write( "24t = 16t^2<BR>\n" );
document.write( "3t=2t^2<BR>\n" );
document.write( "3=2t<BR>\n" );
document.write( "t=3/2 when  it hits the ground\r<BR>\n" );
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document.write( " </SPAN>\n" );
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