document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=50490>Question 50490</A>: <I><SPAN STYLE=\"word-break: break-all;\">   What is the domain of the function f(x) = x^(1/2) ?\r<BR>\n" );
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document.write( " a. all real numbers<BR>\n" );
document.write( " b. all real numbers except x = 0<BR>\n" );
document.write( " c. all real numbers except x = 1<BR>\n" );
document.write( " d. all real numbers except x = -1 and x = 1<BR>\n" );
document.write( " e. all non-negative real numbers<BR>\n" );
document.write( " f. none of these </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #33568 by </B><A HREF=/tutors/aboutme.mpl?userid=tutorcecilia><B>tutorcecilia(2152)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=tutorcecilia><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/cgi-bin/show-face.mpl?user=tutorcecilia><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=33568\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  f(x) = x^(1/2) \r<BR>\n" );
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document.write( " f(x) = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28sqrt%28x%29%29 ALIGN=MIDDLE  ALT=\"%28sqrt%28x%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "You can only find the square root of a number that is greater than or equal to zero.  You cannot take the square root of a negative number. Otherwise, it is considered an imaginary number (i).<BR>\n" );
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document.write( "Since zero is neither negative nor positive, it is considered a \"non-negative\" number.  So, x>=0 or x must be equal to or greater than all non-negative real  numbers. </SPAN>\n" );
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