document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=50824>Question 50824</A>: <I><SPAN STYLE=\"word-break: break-all;\">      If f(x) = 5x^7 - 3, then f^-1(x) =\r<BR>\n" );
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document.write( " a. [(x + 7)/5]^1/3<BR>\n" );
document.write( " b. [(x + 3)/5]^1/7<BR>\n" );
document.write( " c. [(x + 5)/7]^1/3<BR>\n" );
document.write( " d. [(x + 7)/3]^1/5<BR>\n" );
document.write( " e. [(x + 3)/7]^1/5<BR>\n" );
document.write( " f. [(x + 5)/3]^1/7<BR>\n" );
document.write( " g. none of these </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #33878 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=33878\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> If f(x) = 5x^7 - 3, then f^-1(x) =?<BR>\n" );
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document.write( "Rewrite as y=5x^7-3<BR>\n" );
document.write( "Interchange x and y:<BR>\n" );
document.write( "x=5y^7-3<BR>\n" );
document.write( "x+3=5y^7<BR>\n" );
document.write( "[(x+3)/5] = y^7<BR>\n" );
document.write( "[(x+3)/5]^(1/7)=y\r<BR>\n" );
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document.write( "This is the inverse.\r<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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