document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=833415>Question 833415</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the domain of the function. <BR>\n" );
document.write( "(a) (2x+1)/(x^2+x-2)<BR>\n" );
document.write( "(b) cube square of x/x^2+1<BR>\n" );
document.write( "(c)(sqrt4-x)+(sqrtx^2 -1)\r<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 #502523 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=502523\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find the domain of the function. <BR>\n" );
document.write( "(a) (2x+1)/(x^2+x-2)<BR>\n" );
document.write( "Factor: (2x+1)/[(x+2)(x-1)<BR>\n" );
document.write( "Domain: All Real Numbers except x = -2 and x = 1<BR>\n" );
document.write( "Interval Notation: (-oo,-2]U(-2,1]U(1,+oo)<BR>\n" );
document.write( "--------------------------------------<BR>\n" );
document.write( "(b) cbrt[x/x^2+1]<BR>\n" );
document.write( "Domain: All Real Numbers<BR>\n" );
document.write( "Interval Notation: (-oo,+oo)<BR>\n" );
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document.write( "(c)(sqrt(4-x)+sqrt(x^2-1)<BR>\n" );
document.write( "------<BR>\n" );
document.write( "= sqrt(4-x) + sqrt[(x+1)(x-1)]<BR>\n" );
document.write( "Solve (x+1)(x-1) >= 0<BR>\n" );
document.write( "x <= -1 or x >= 1<BR>\n" );
document.write( "Interval Notation: (-oo,-1]U[1,+oo)<BR>\n" );
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document.write( "Solve 4-x >= 0<BR>\n" );
document.write( "x <= 4<BR>\n" );
document.write( "----<BR>\n" );
document.write( "Domain: All Real Numbers x <=-1 or 1<= x <=4<BR>\n" );
document.write( "Interval Notation: (-oo,-1]U[1,4]<BR>\n" );
document.write( "==========================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "==========================\r<BR>\n" );
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document.write( "</TD></TR></TABLE>\n" );