document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=948563>Question 948563</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How do you put (2,4) and (4,-2) in function notation form? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #579000 by </B><A HREF=/tutors/aboutme.mpl?userid=Theo><B>Theo(13342)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Theo><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=Theo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=579000\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> f(2) = 4<BR>\n" );
document.write( "f(4) = -2\r<BR>\n" );
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document.write( "for example:\r<BR>\n" );
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document.write( "suppose you have a function that takes the value of x and squares it.\r<BR>\n" );
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document.write( "the function would be f(x) = x^2\r<BR>\n" );
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document.write( "now if you evaluate that function for the value of x = 2, you will get:\r<BR>\n" );
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document.write( "f(2) = 2^2 which becomes f(2) = 4\r<BR>\n" );
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document.write( "now if you have a function that takes the the square value of x and then multiplies it by -1, then that function would be:\r<BR>\n" );
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document.write( "f(x) = -sqrt(x)\r<BR>\n" );
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document.write( "now if you evaluate that function for when x = 4, you would get:\r<BR>\n" );
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document.write( "f(4) = -sqrt(4) which becomes f(4) = -2\r<BR>\n" );
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document.write( " </SPAN>\n" );
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