document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=4939>Question 4939</A>: <I><SPAN STYLE=\"word-break: break-all;\"> determine f-1    for f(x) = cubed root of(x+5)  \r<BR>\n" );
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document.write( "(in f -1) is not f minus 1 or the negative 1 power of f) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #2440 by </B><A HREF=/tutors/aboutme.mpl?userid=rapaljer><B>rapaljer(4671)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rapaljer><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=rapaljer><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=2440\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> By <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%5E%28-1%29%28x%29+=+cuberoot+%28x%2B5%29+ ALIGN=MIDDLE  ALT=\"f%5E%28-1%29%28x%29+=+cuberoot+%28x%2B5%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > you refer to the inverse of the function f(x).  Am I right?\r<BR>\n" );
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document.write( "Given y = cuberoot (x+5) <BR>\n" );
document.write( "My approach to finding an inverse of f(x) is two steps.\r<BR>\n" );
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document.write( "Step 1.  Interchange the x and y.  <BR>\n" );
document.write( "x= cuberoot (y+5)\r<BR>\n" );
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document.write( "Step 2.  Solve for y.<BR>\n" );
document.write( "To undo the cuberoot, you must cube both sides:<BR>\n" );
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document.write( "Next, undo the +5 by subtracting 5 from each side:<BR>\n" );
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document.write( "This new y that you just solved for the the inverse function for f(x)\r<BR>\n" );
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document.write( "The inverse function for <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28X%29+=+cuberoot+of+%28x%2B5%29+ ALIGN=MIDDLE  ALT=\"f%28X%29+=+cuberoot+of+%28x%2B5%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%5E%28-1%29+%28x%29+=+x%5E3+-+5+ ALIGN=MIDDLE  ALT=\"f%5E%28-1%29+%28x%29+=+x%5E3+-+5+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "R^2 at SCC </SPAN>\n" );
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