document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=260145>Question 260145</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What is the process necessary to predict what the graph of the function f(x) = x^4 - 10x^2 + 9 will look like? Use algebra and graphing to confirm all of your predictions. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #191583 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=191583\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> f(x)= x^4 - 10x^2 + 9\r<BR>\n" );
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document.write( "f(x)= (x-3) (x-1) (x+1) (x+3)<BR>\n" );
document.write( "We know from the x^4 that there are four solutions.<BR>\n" );
document.write( "Is almost a parabola but between -3 and 3 it goes up and down <BR>\n" );
document.write( " y  goes down to -10 (twice) and up +10 once  between -3 and +3  </SPAN>\n" );
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