document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=742187>Question 742187</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Express y as a function of x. What is the domain?<BR>\n" );
document.write( "a) log3+log y = log(x+2) - logx<BR>\n" );
document.write( "b)logy-2+logx-log(x+1) = 0 <BR>\n" );
document.write( "c) log4y=x+log4<BR>\n" );
document.write( "Can you please help me out? thanks so much in advance:)<BR>\n" );
document.write( "Can you show the work too because I will understand better thankyou:) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #452380 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39618)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=452380\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Looking at question a:\r<BR>\n" );
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document.write( "a) log3+log y = log(x+2) - logx<BR>\n" );
document.write( "log(3y)=log((x+2)/x)<BR>\n" );
document.write( "Arguments must be equal.<BR>\n" );
document.write( "3y=(x+2)/x<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=%28x%2B2%29%2F%283x%29 ALIGN=MIDDLE  ALT=\"y=%28x%2B2%29%2F%283x%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Domain is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%3C0 ALIGN=MIDDLE  ALT=\"x%3C0\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%3E0 ALIGN=MIDDLE  ALT=\"x%3E0\"   DISABLED_style= \"max-width:90%; height:auto;\" >.<BR>\n" );
document.write( "x must be equal 0, becaus denominator of 3x=3*0=0 and division by 0 is not allowed. </SPAN>\n" );
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