document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=111762>Question 111762</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/013311614x/algebrahomeworkh>College Algebra</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Hi, I am hoping someone can help me with this equation:\r<BR>\n" );
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document.write( "Let f(x) = 2x+5 and find a) f^-1 and b) 1/f(x) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #81554 by </B><A HREF=/tutors/aboutme.mpl?userid=nihat><B>nihat(10)</B></A><img src=\"/images/stars/stars-05.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nihat><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=81554\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let f(x)= y = 2x+5 \r<BR>\n" );
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document.write( "a) To find f^-1, first solve the above equation for x like this:<BR>\n" );
document.write( "y - 5 = 2x<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28y+-+5%29%2F2 ALIGN=MIDDLE  ALT=\"%28y+-+5%29%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" > = x\r<BR>\n" );
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document.write( "Then label the y variable x and call the x variable f^-1 like this:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x+-+5%29%2F2 ALIGN=MIDDLE  ALT=\"%28x+-+5%29%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" > = f^-1\r<BR>\n" );
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document.write( "b) 1/f(x)= <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F%282x%2B5%29 ALIGN=MIDDLE  ALT=\"1%2F%282x%2B5%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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