document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1158945>Question 1158945</A>: <I><SPAN STYLE=\"word-break: break-all;\"> An object is thrown upward at a speed of 91 feet per second by a machine from a height of 15 feet off the ground. The height h of the object after t seconds can be found using the equation h = − 16t^2 + 91t + 15\r<BR>\n" );
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document.write( "(a) When will the height be 102 feet?\r<BR>\n" );
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document.write( "(b) When will the object reach 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 #781929 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=781929\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> An object is thrown upward at a speed of 91 feet per second by a machine from a height of 15 feet off the ground. The height h of the object after t seconds can be found using the equation h = − 16t^2 + 91t + 15\r<BR>\n" );
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document.write( "When will the height be 102 feet?<BR>\n" );
document.write( "h = − 16t^2 + 91t + 15 = 102<BR>\n" );
document.write( "Solve for t<BR>\n" );
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document.write( "When will the object reach the ground?<BR>\n" );
document.write( "h = − 16t^2 + 91t + 15 = 0<BR>\n" );
document.write( "Solve for t<BR>\n" );
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