document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=201852>Question 201852</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Throwing a wrench:  An angry contruction worker throws his wrench downward from a height of 128 ft with an initial velocity of 32 feet per second. The height of the wrench above the ground after t seconds is given by<BR>\n" );
document.write( "S(t) = -16r - 32r + 128\r<BR>\n" );
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document.write( "A. What is the height of the wrench after 1 second?<BR>\n" );
document.write( "B. How long does it take for the wrench to 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 #152083 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=152083\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> An angry contruction worker throws his wrench downward from a height of 128 ft with an initial velocity of 32 feet per second. The height of the wrench above the ground after t seconds is given by<BR>\n" );
document.write( "S(t) = -16r - 32r + 128 <BR>\n" );
document.write( "A. What is the height of the wrench after 1 second?<BR>\n" );
document.write( "B. How long does it take for the wrench to reach the ground?<BR>\n" );
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document.write( "You have r's in a function that's S(t) ??<BR>\n" );
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document.write( "h(t) = -16t^2 -32t + 128<BR>\n" );
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document.write( "A. h(1) = -16 - 32 + 128<BR>\n" );
document.write( "h(1) = 80 feet<BR>\n" );
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document.write( "B. -16t^2 - 32t + 128 = 0<BR>\n" );
document.write( "t^2 + 2t - 8 = 0<BR>\n" );
document.write( "(t+4)*(t-2) = 0<BR>\n" );
document.write( "t = 2 seconds to reach the ground </SPAN>\n" );
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