document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=391211>Question 391211</A>: <I><SPAN STYLE=\"word-break: break-all;\"> im trying to help my niece and we don't understand this problem\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "F(x) = x-7 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #277490 by </B><A HREF=/tutors/aboutme.mpl?userid=richard1234><B>richard1234(7193)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richard1234><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=richard1234><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=277490\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> It simply means that f(x) defines a function for a value x. It's similar to an input-output method. The function f(x) is linear, so the graph looks like this:\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph+%28300%2C+300%2C+-20%2C+20%2C+-20%2C+20%2C+x-7%29 ALIGN=MIDDLE  ALT=\"graph+%28300%2C+300%2C+-20%2C+20%2C+-20%2C+20%2C+x-7%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );