document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=896543>Question 896543</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I really need help soon! \r<BR>\n" );
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document.write( " Given f(x) = 2x^3 - 7  find f^-1(x) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #543587 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=543587\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Given f(x) = 2x^3 - 7 find f^-1(x)<BR>\n" );
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document.write( "1st: Interchange x and y to get::<BR>\n" );
document.write( "x = 2y^3 - 7<BR>\n" );
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document.write( "2nd: Solve for \"y\":<BR>\n" );
document.write( "2y^3 = x + 7<BR>\n" );
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document.write( "y^3 = (x+7)/2<BR>\n" );
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document.write( "y = [(x+7)/2]^(1/3<BR>\n" );
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document.write( "That is f^-1(x)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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