document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=406199>Question 406199</A>: <I><SPAN STYLE=\"word-break: break-all;\"> When x = 2 and y = 3, z = 42. Write the function that models each of the following relationships.<BR>\n" );
document.write( "1. z varies inversely with x and directly with y. \r<BR>\n" );
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document.write( "2.   z varies jointly with x and y  \r<BR>\n" );
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document.write( "3.   z varies directly with x and inversely with the square of y   </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #286711 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=286711\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> When x = 2 and y = 3, z = 42. Write the function that models each of the following relationships.<BR>\n" );
document.write( "1. z varies inversely with x and directly with y.<BR>\n" );
document.write( "z = k*3/2<BR>\n" );
document.write( "z = (3/2)k<BR>\n" );
document.write( "-------------------- <BR>\n" );
document.write( "2. z varies jointly with x and y<BR>\n" );
document.write( "z = k*2*3<BR>\n" );
document.write( "z = 6k<BR>\n" );
document.write( "============== <BR>\n" );
document.write( "3. z varies directly with x and inversely with the square of y <BR>\n" );
document.write( "z = k*x/y^2<BR>\n" );
document.write( "z = k*2/9<BR>\n" );
document.write( "z = (2/9)k<BR>\n" );
document.write( "==============<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );