document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1006216>Question 1006216</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Can some please help me with this problem step by step please? The directions are Determine whether the function is one-to-one by graphing and using the horizontal line test. The problem is f(x)=x-10/x+6. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #622361 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</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=622361\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28300%2C300%2C-18%2C10%2C-10%2C10%2C%28x-10%29%2F%28x%2B6%29%29 ALIGN=MIDDLE  ALT=\"graph%28300%2C300%2C-18%2C10%2C-10%2C10%2C%28x-10%29%2F%28x%2B6%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Imagine any horizontal lines you want, through the graph.  More than one intersection anywhere?\r<BR>\n" );
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document.write( "Also, for two different variables, a and b,<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28a-10%29%2F%28a%2B6%29=%28b-10%29%2F%28b%2B6%29 ALIGN=MIDDLE  ALT=\"%28a-10%29%2F%28a%2B6%29=%28b-10%29%2F%28b%2B6%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "and if you try solving this to look at how a and b relate to each other,<BR>\n" );
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document.write( "you will find  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b=a ALIGN=MIDDLE  ALT=\"b=a\"   DISABLED_style= \"max-width:90%; height:auto;\" >  or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a=b ALIGN=MIDDLE  ALT=\"a=b\"   DISABLED_style= \"max-width:90%; height:auto;\" >.<BR>\n" );
document.write( "This means any a or b is the same value or same number.  This looks like one-to-one.<BR>\n" );
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