document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=71927>Question 71927</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the domain of f(x)=7+ sqrt 3x+21 and express it using interval notation.  How do I solve this? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #51406 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=51406\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> domain of f(x)=7+ sqrt (3x+21) and express it using interval notation\r<BR>\n" );
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document.write( "DOMAIN: Because of the sqrt, 3x+21 must be >=0<BR>\n" );
document.write( "3x+21>=0<BR>\n" );
document.write( "3x>=-21<BR>\n" );
document.write( "x>=-7<BR>\n" );
document.write( "Interval notation (-7,inf)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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