document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=889511>Question 889511</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If f(x) =10x-A/x-9 and (f) (-5) =0 , then what is value of A and where is f not defined? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #538272 by </B><A HREF=/tutors/aboutme.mpl?userid=rothauserc><B>rothauserc(4718)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rothauserc><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/cgi-bin/show-face.mpl?user=rothauserc><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=538272\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> f(x) = 10x-A/x-9 and (f) (-5) = 0 <BR>\n" );
document.write( "0 = (10*(-5) - A) / (-5 -9)<BR>\n" );
document.write( "0 = -50 -A / -14<BR>\n" );
document.write( "multiply both sides of = by -14<BR>\n" );
document.write( "0 = -50 -A<BR>\n" );
document.write( "-A = 50<BR>\n" );
document.write( "A = -50<BR>\n" );
document.write( "check answer<BR>\n" );
document.write( "0 = (10*(-5) - (-50)) / (-5 -9)<BR>\n" );
document.write( "0 = 0 / 14<BR>\n" );
document.write( "0 = 0<BR>\n" );
document.write( "note that the function f(x) is not defined at x = 9 since division by 0 is not defined\r<BR>\n" );
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document.write( " </SPAN>\n" );
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