document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=82269>Question 82269</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I'm trying to find out the importance of Function Notation.  I can't seem to find an answer anywhere that can explain to me the definition of function notation and the purpose of it.  Is there anyway you can help me with this? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #58940 by </B><A HREF=/tutors/aboutme.mpl?userid=Earlsdon><B>Earlsdon(6294)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Earlsdon><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=58940\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> One very important feature of function notation is that it allows you to immediately identify the independent variable in an equation.<BR>\n" );
document.write( "For example, let's say that you have this quadratic equation:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y+=+6x%5E2+%2B+8x+%2B+10 ALIGN=MIDDLE  ALT=\"y+=+6x%5E2+%2B+8x+%2B+10\"   DISABLED_style= \"max-width:90%; height:auto;\" > in which y is the dependent variable and x is the independent variable, and you write it using function notation:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29+=+6x%5E2+%2B+8x+%2B+10 ALIGN=MIDDLE  ALT=\"f%28x%29+=+6x%5E2+%2B+8x+%2B+10\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "You can see right away that x is the independent variable because the x appears in the f(x).  f(x) is read as \"function of x\" and not as \"f times x\" </SPAN>\n" );
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