document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=762478>Question 762478</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the domain of f(x)^-1 if f(x)=4x-8<BR>\n" );
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document.write( "A. x&#8800; 1/4<BR>\n" );
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document.write( "B. x&#8800; -4<BR>\n" );
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document.write( "C. x&#8800; 0<BR>\n" );
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document.write( "D. All real numbers </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #464051 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=464051\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> f(x) = 4x-8\r<BR>\n" );
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document.write( "y = 4x-8\r<BR>\n" );
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document.write( "x = 4y-8\r<BR>\n" );
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document.write( "x+8 = 4y\r<BR>\n" );
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document.write( "(x+8)/4 = y\r<BR>\n" );
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document.write( "y = (x+8)/4\r<BR>\n" );
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document.write( "y = (1/4)x+8/4\r<BR>\n" );
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document.write( "y = (1/4)x+2\r<BR>\n" );
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document.write( "f^-1 (x) = (1/4)x+2\r<BR>\n" );
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document.write( "This is a linear equation. So the domain is <font color=\"red\">D. All real numbers</font> </SPAN>\n" );
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