document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=50557>Question 50557</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 #33678 by </B><A HREF=/tutors/aboutme.mpl?userid=Nate><B>Nate(3500)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Nate><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=33678\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> f(x) = 5x^7 - 3<BR>\n" );
document.write( "y = 5x^7 - 3<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) = f^-1(x)<BR>\n" );
document.write( "answer: b.<BR>\n" );
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