document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1088660>Question 1088660</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A projectile is fired vertically upward and its height s(t) in feet after t seconds is given by the function defined by s(t) = -16t^2 + 800t + 600. After how many seconds will the projectile be 5000 ft above the ground? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #702979 by </B><A HREF=/tutors/aboutme.mpl?userid=MathLover1><B>MathLover1(20850)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathLover1><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=MathLover1><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=702979\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=s%28t%29+=+-16t%5E2+%2B+800t+%2B+600 ALIGN=MIDDLE  ALT=\"s%28t%29+=+-16t%5E2+%2B+800t+%2B+600\"   DISABLED_style= \"max-width:90%; height:auto;\" > \r<BR>\n" );
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document.write( "After how many seconds will the projectile be <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5000ft ALIGN=MIDDLE  ALT=\"5000ft\"   DISABLED_style= \"max-width:90%; height:auto;\" > above the ground=><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=s%28t%29+=5000ft ALIGN=MIDDLE  ALT=\"s%28t%29+=5000ft\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5000=+-16t%5E2+%2B+800t+%2B+600 ALIGN=MIDDLE  ALT=\"5000=+-16t%5E2+%2B+800t+%2B+600\"   DISABLED_style= \"max-width:90%; height:auto;\" > \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5000%2B16t%5E2+-+800t+-600=0 ALIGN=MIDDLE  ALT=\"5000%2B16t%5E2+-+800t+-600=0\"   DISABLED_style= \"max-width:90%; height:auto;\" > \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=16t%5E2+-+800t%2B4400=0 ALIGN=MIDDLE  ALT=\"16t%5E2+-+800t%2B4400=0\"   DISABLED_style= \"max-width:90%; height:auto;\" > \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t%5E2+-+50t%2B275=0 ALIGN=MIDDLE  ALT=\"t%5E2+-+50t%2B275=0\"   DISABLED_style= \"max-width:90%; height:auto;\" > \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t%5E2+-+50t%2B275=0 ALIGN=MIDDLE  ALT=\"t%5E2+-+50t%2B275=0\"   DISABLED_style= \"max-width:90%; height:auto;\" > \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+ ALIGN=MIDDLE  ALT=\"t+=+%28-b+%2B-+sqrt%28+b%5E2-4%2Aa%2Ac+%29%29%2F%282%2Aa%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t+=+%28-%28-50%29+%2B-+sqrt%28+%28-50%29%5E2-4%2A1%2A275+%29%29%2F%282%2A1%29+ ALIGN=MIDDLE  ALT=\"t+=+%28-%28-50%29+%2B-+sqrt%28+%28-50%29%5E2-4%2A1%2A275+%29%29%2F%282%2A1%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t+=+%2850+%2B-+sqrt%28+2500-1100+%29%29%2F2+ ALIGN=MIDDLE  ALT=\"t+=+%2850+%2B-+sqrt%28+2500-1100+%29%29%2F2+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t+=+%2850+%2B-+sqrt%281400+%29%29%2F2+ ALIGN=MIDDLE  ALT=\"t+=+%2850+%2B-+sqrt%281400+%29%29%2F2+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t+=+%2850+%2B-+sqrt%2814%2A100+%29%29%2F2+ ALIGN=MIDDLE  ALT=\"t+=+%2850+%2B-+sqrt%2814%2A100+%29%29%2F2+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t+=+%2850+%2B-+10sqrt%2814+%29%29%2F2+ ALIGN=MIDDLE  ALT=\"t+=+%2850+%2B-+10sqrt%2814+%29%29%2F2+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t+=+%2825+%2B-+5sqrt%2814+%29%29+ ALIGN=MIDDLE  ALT=\"t+=+%2825+%2B-+5sqrt%2814+%29%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t+=+5%285+%2B-+sqrt%2814+%29%29+ ALIGN=MIDDLE  ALT=\"t+=+5%285+%2B-+sqrt%2814+%29%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "solution:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t+=+5%285+%2B+sqrt%2814+%29%29+ ALIGN=MIDDLE  ALT=\"t+=+5%285+%2B+sqrt%2814+%29%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t+=+5%285+%2B+3.741657386773941%29+ ALIGN=MIDDLE  ALT=\"t+=+5%285+%2B+3.741657386773941%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t+=+5%288.741657386773941%29+ ALIGN=MIDDLE  ALT=\"t+=+5%288.741657386773941%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t+=+43.7+ ALIGN=MIDDLE  ALT=\"t+=+43.7+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "the projectile be <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5000 ALIGN=MIDDLE  ALT=\"5000\"   DISABLED_style= \"max-width:90%; height:auto;\" > ft above the ground after approximately <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+43.7+ ALIGN=MIDDLE  ALT=\"+43.7+\"   DISABLED_style= \"max-width:90%; height:auto;\" > seconds\r<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );