document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1162215>Question 1162215</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A football is kicked into the air. The height of the football model by h(t)=5t^2+16t+1, where h(t) is the height in meters and t is the time in seconds from its release. When will the football first reach a height of 13 meters? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #785954 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=785954\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A football is kicked into the air. The height of the football model by h(t)=5t^2+16t+1, where h(t) is the height in meters and t is the time in seconds from its release. When will the football first reach a height of 13 meters?<BR>\n" );
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document.write( "h(t)=5t^2+16t+1 = 13<BR>\n" );
document.write( "Solve for t<BR>\n" );
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document.write( "Notice that the football never comes back down.<BR>\n" );
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