document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=482262>Question 482262</A>: <I><SPAN STYLE=\"word-break: break-all;\"> find domain and range of 1/(root of x3-4x) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #330180 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=330180\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> find domain and range of 1/(root of x^3-4x)<BR>\n" );
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document.write( "x^3-4x >= 0<BR>\n" );
document.write( "x(x^2-4) >= 0<BR>\n" );
document.write( "x(x-2)(x+2) >= 0<BR>\n" );
document.write( "----<BR>\n" );
document.write( "Draw a number line.<BR>\n" );
document.write( "Plot x = -2; x = 0; x = 2<BR>\n" );
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document.write( "Test 4 value intervals on the line:<BR>\n" );
document.write( "x(x-2)(x+2) >= 0<BR>\n" );
document.write( "x = -10, you get -*-*- > 0 ; false<BR>\n" );
document.write( "x = -1, you get -*-*+ >0 ; true<BR>\n" );
document.write( "x = +1, you get -*+*+ >0 0 ; false<BR>\n" );
document.write( "x = 10, you get +*+*+ > 0 ; true<BR>\n" );
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document.write( "Domain: All Real Numbers [-2,0] U {2.+oo)<BR>\n" );
document.write( "Range: All Real Numbers >= 0<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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