document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=166496>Question 166496</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I am lost on how to do to problems<BR>\n" );
document.write( "1.  f(x)=3x and g(x)=4x-3, find f[g(5)] and g[f(5)].<BR>\n" );
document.write( "2.  find the inverse of f(x)=7x-2.<BR>\n" );
document.write( "Can you please help.  I must show my work.  These are from a worksheet.  We have no textbook to use.<BR>\n" );
document.write( "Thanks<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #122694 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=122694\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1. f(x)=3x and g(x)=4x-3, find f[g(5)] and g[f(5)].<BR>\n" );
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document.write( "f[g(5)] = f[4*5-3] = f[17] = 3*17 = 51<BR>\n" );
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document.write( "2. find the inverse of f(x)=7x-2.<BR>\n" );
document.write( "1st: Interchage x and y to get:<BR>\n" );
document.write( "x = 7y-2<BR>\n" );
document.write( "2nd: Solve for y to get the inverse:<BR>\n" );
document.write( "y = (1/7)x + (2/7)<BR>\n" );
document.write( "======================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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