document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=999922>Question 999922</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Each function h (t) below represents an object being thrown upward with an initial velocity after t seconds. For each function find the time that it takes to reach the ground.                                                          a)h(t)=-16t2+64t+960                                                                 b)&#8462;(&#119905;)= &#8722;16&#119905;2 +80&#119905;+576                                                            c) &#8462;(&#119905;)= &#8722;16&#119905;2 +64&#119905;+960 <BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #617481 by </B><A HREF=/tutors/aboutme.mpl?userid=MathLover1><B>MathLover1(20849)</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=617481\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> the time that it takes to reach the ground:\r<BR>\n" );
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document.write( "a)<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=h%28t%29=-16t%5E2%2B64t%2B960 ALIGN=MIDDLE  ALT=\"h%28t%29=-16t%5E2%2B64t%2B960\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "the object will reach the ground, when its height is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=zero ALIGN=MIDDLE  ALT=\"zero\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0=+-16t%5E2%2B64t%2B960 ALIGN=MIDDLE  ALT=\"0=+-16t%5E2%2B64t%2B960\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0=+-16%28t%5E2-4t-60%29 ALIGN=MIDDLE  ALT=\"0=+-16%28t%5E2-4t-60%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0=+-16%28t%5E2-10t%2B6t-60%29 ALIGN=MIDDLE  ALT=\"0=+-16%28t%5E2-10t%2B6t-60%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0+=+-16+%28t-10%29+%28t%2B6%29 ALIGN=MIDDLE  ALT=\"0+=+-16+%28t-10%29+%28t%2B6%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "=><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t=10 ALIGN=MIDDLE  ALT=\"t=10\"   DISABLED_style= \"max-width:90%; height:auto;\" > or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t=-6+ ALIGN=MIDDLE  ALT=\"t=-6+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Only the + sign makes sense. =><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t=10 ALIGN=MIDDLE  ALT=\"t=10\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "b) <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0=+-16t%5E2+%2B80t%2B576 ALIGN=MIDDLE  ALT=\"0=+-16t%5E2+%2B80t%2B576\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0=+-16%28t%5E2+-5t-36+%29 ALIGN=MIDDLE  ALT=\"0=+-16%28t%5E2+-5t-36+%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0=+-16%28t%5E2+-9t%2B4t-36+%29 ALIGN=MIDDLE  ALT=\"0=+-16%28t%5E2+-9t%2B4t-36+%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0=+-16%28%28t%5E2+-9t%29%2B%284t-36+%29%29 ALIGN=MIDDLE  ALT=\"0=+-16%28%28t%5E2+-9t%29%2B%284t-36+%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0=+-16%28t%28t+-9%29%2B4%28t-9+%29%29 ALIGN=MIDDLE  ALT=\"0=+-16%28t%28t+-9%29%2B4%28t-9+%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0+=+-16+%28t-9%29+%28t%2B4%29 ALIGN=MIDDLE  ALT=\"0+=+-16+%28t-9%29+%28t%2B4%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "=><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t=9 ALIGN=MIDDLE  ALT=\"t=9\"   DISABLED_style= \"max-width:90%; height:auto;\" > or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t=-4 ALIGN=MIDDLE  ALT=\"t=-4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Only the + sign makes sense. =><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t=9 ALIGN=MIDDLE  ALT=\"t=9\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "your function c) is same as a)\r<BR>\n" );
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