document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=251609>Question 251609</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Help please. Thanks<BR>\n" );
document.write( "1. The space in a landfill decreases with time as given by the function f(t)=270-70 log5(4t+1). Where t is measured in years. How much space is left when t =1? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #183296 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=183296\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The space in a landfill decreases with time as given by the function f(t)=270-70 log5(4t+1). Where t is measured in years. How much space is left when t =1?<BR>\n" );
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document.write( "f(t) = 270 - 70*log5(4t+1)<BR>\n" );
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document.write( "f(1) = 270 - 70*log5(5)<BR>\n" );
document.write( "f(1) = 270 - 70*1<BR>\n" );
document.write( "f(1) = 200 cu units\r<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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