document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=139525>Question 139525</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Suppose that x and y vary inversely and x=4 when y=7   Write the function that models the inverse variation\r<BR>\n" );
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document.write( "a.  y+1.75   b.  y= 28/x  c.  y=11/x  d.  y=3/x </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #101708 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=101708\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Suppose that x and y vary inversely<BR>\n" );
document.write( "x = k/y<BR>\n" );
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document.write( " and x=4 when y=7<BR>\n" );
document.write( "So, solve for \"k\":<BR>\n" );
document.write( "4 = k/7<BR>\n" );
document.write( "k=28<BR>\n" );
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document.write( "Now you know the equation is:<BR>\n" );
document.write( "x = 28/y<BR>\n" );
document.write( "or y = 28/x<BR>\n" );
document.write( "This is the function that models the inverse variation <BR>\n" );
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document.write( "a. y+1.75 b. y= 28/x c. y=11/x d. y=3/x<BR>\n" );
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document.write( "Answer: b<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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