document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=724183>Question 724183</A>: <I><SPAN STYLE=\"word-break: break-all;\"> you and your friend are walking around a tennis court that has a 10-foot high fence around it. You see two tennis balls lying outside the fence. You pick up a ball and try to throw it with an initial velocity of 22 feet per second. Did the ball made it over the fence? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #443635 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=443635\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> you and your friend are walking around a tennis court that has a 10-foot high fence around it. You see two tennis balls lying outside the fence. You pick up a ball and try to throw it with an initial velocity of 22 feet per second. Did the ball made it over the fence?<BR>\n" );
document.write( "------------<BR>\n" );
document.write( "h(t) = -16t^2 + 22t, height in feet, t in seconds<BR>\n" );
document.write( "----<BR>\n" );
document.write( "The max ht is the vertex<BR>\n" );
document.write( "t at the vertex = -b/2a = -22/-32 = 11/16 seconds<BR>\n" );
document.write( "---<BR>\n" );
document.write( "h(11/16) = -16(121/256) + 22*(11/16) (max ht)<BR>\n" );
document.write( "= 242/16 - 121/16 ft<BR>\n" );
document.write( "= 7.5625 feet<BR>\n" );
document.write( "Not high enough </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );