document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=163263>Question 163263</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0132256886/algebrahomeworkh>Precalculus </A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> If 4^x=7, what does 4^-2x equal? Please help </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #120289 by </B><A HREF=/tutors/aboutme.mpl?userid=Earlsdon><B>Earlsdon(6294)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Earlsdon><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=120289\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> If <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4%5Ex+=+7 ALIGN=MIDDLE  ALT=\"4%5Ex+=+7\"   DISABLED_style= \"max-width:90%; height:auto;\" >, find <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4%5E%28-2x%29 ALIGN=MIDDLE  ALT=\"4%5E%28-2x%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4%5E%28-2x%29+=+1%2F%284%5E%282x%29%29 ALIGN=MIDDLE  ALT=\"4%5E%28-2x%29+=+1%2F%284%5E%282x%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F%284%5Ex%2A4%5Ex%29+=+1%2F%287%2A7%29 ALIGN=MIDDLE  ALT=\"1%2F%284%5Ex%2A4%5Ex%29+=+1%2F%287%2A7%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%281%2F49%29 ALIGN=MIDDLE  ALT=\"highlight%281%2F49%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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