document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=468894>Question 468894</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Can you please help me find the x-intercept for this equation: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+f%28x%29+=+log2%28x+-+4%29+-+1+ ALIGN=MIDDLE  ALT=\"+f%28x%29+=+log2%28x+-+4%29+-+1+\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #321697 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=321697\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> find the x-intercept for this equation:  f(x) = log2(x - 4) - 1<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Let y = 0 and solve for \"x\":<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "log2(x-4)-1 = 0<BR>\n" );
document.write( "log2(x-4) = 1<BR>\n" );
document.write( "x-4 = 2<BR>\n" );
document.write( "x = 6<BR>\n" );
document.write( "---<BR>\n" );
document.write( "x-intercept: (6,0)<BR>\n" );
document.write( "=====================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.  </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );