document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1192588>Question 1192588</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A stone is thrown vertically upward from a 20 foot platform at a rate of 160 ft per second. The height of the stone is modeled by the quadratic function f(t)=-16t^2+160t+20<BR>\n" );
document.write( "a)how long will it take for the stone to reach its maximum height?<BR>\n" );
document.write( "b)what is the maximum height of the stone?<BR>\n" );
document.write( "c)how long will it take for the stone to hit 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 #824464 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52794)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><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=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=824464\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .\r<BR>\n" );
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document.write( "Questions (a) and (b) are just answered in my previous post under this link\r<BR>\n" );
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document.write( "<A  rel=nofollow HREF=https://www.algebra.com/algebra/homework/Functions/Functions.faq.question.1192587.html>https://www.algebra.com/algebra/homework/Functions/Functions.faq.question.1192587.html</A>\r<BR>\n" );
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document.write( "https://www.algebra.com/algebra/homework/Functions/Functions.faq.question.1192587.html\r<BR>\n" );
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document.write( "So, &nbsp;PLEASE, &nbsp;do not post them again.   \r<BR>\n" );
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