document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=105672>Question 105672</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I cant solve this \r<BR>\n" );
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document.write( "we are supposed to find the domain of this function (this is Algebra 1)\r<BR>\n" );
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document.write( "y = 1<BR>\n" );
document.write( "  _____<BR>\n" );
document.write( "  x + 4 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #76891 by </B><A HREF=/tutors/aboutme.mpl?userid=bucky><B>bucky(2189)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=bucky><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=76891\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Given:<BR>\n" );
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document.write( "You are asked to find the domain of this function.  The domain is all the values that x<BR>\n" );
document.write( "can take.<BR>\n" );
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document.write( "In this problem x can take any real value except x cannot equal -4. Why can't it be -4?<BR>\n" );
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document.write( "The answer is that if x is -4, then the denominator of the given fraction becomes zero ...<BR>\n" );
document.write( "-4 + 4 = 0. And since the numerator (which is 1) is divided by the denominator, this means<BR>\n" );
document.write( "that 1 would be divided by zero if x is equal to -4.  But the rules of algebra tell you<BR>\n" );
document.write( "that division by zero is not allowed.  <BR>\n" );
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document.write( "So the answer to this problem is that the domain for x is all real numbers from minus infinity<BR>\n" );
document.write( "to plus infinity except x cannot equal -4.<BR>\n" );
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document.write( "Hope this helps you to understand the problem.<BR>\n" );
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document.write( " </SPAN>\n" );
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