document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=713661>Question 713661</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need help with a Calculus I question:\r<BR>\n" );
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document.write( "If a ball is thrown into the air with a velocity of 37 ft/s, its height (in feet) after t seconds is given by y = 37t &#8722; 16t2. Find the velocity when t = 1.<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 #438515 by </B><A HREF=/tutors/aboutme.mpl?userid=htmentor><B>htmentor(1343)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=htmentor><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=htmentor><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=438515\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> y(t) = 37t - 16t^2<BR>\n" );
document.write( "The velocity is the time rate of change of the height:<BR>\n" );
document.write( "v(t) = dy(t)/dt = 37 - 32t<BR>\n" );
document.write( "We want the value of v when t=1:<BR>\n" );
document.write( "v(1) = 37 - 32*1 = 5<BR>\n" );
document.write( "Ans: 5 ft/s </SPAN>\n" );
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