document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=721365>Question 721365</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me with domain and range of\r<BR>\n" );
document.write( "\n" );
document.write( "f(x)=x&#8730;x-4\r<BR>\n" );
document.write( "\n" );
document.write( "my domain is [4,sideways 8)\r<BR>\n" );
document.write( "\n" );
document.write( "do not understand range. \r<BR>\n" );
document.write( "\n" );
document.write( "Please help.  Thank you in advance.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #442328 by </B><A HREF=/tutors/aboutme.mpl?userid=fcabanski><B>fcabanski(1391)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=fcabanski><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=442328\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Domain is correct.  The domain is all x that keeps a non negative number under the square root.  That's [4, inf).<P><BR>\n" );
document.write( "The range is all possible values for f(x).<P><BR>\n" );
document.write( "When x = 4, f(x) = 0.  As x gets larger, f(x) gets larger and approaches infinity.  Graph it to see that the range goes up forever...infinity.  Range = [0, inf)<BR>\n" );
document.write( "<P>Hope the solution helped.  Sometimes you need more than a solution.  Contact fcabanski@hotmail.com for online, private tutoring, or personalized problem solving (quick for groups of problems.) </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );