document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=718716>Question 718716</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I am supposed to determine whether f(x)= 2x^4+5x^2-1 is odd, even, or neither. This is what I got and would like to know if I did this right. \r<BR>\n" );
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document.write( "f(x)= 2x^4+5x^2-1<BR>\n" );
document.write( "f(-x)= 2(-x)^4+5(-x)^2-1<BR>\n" );
document.write( "= -2x^4-5x^2-1\r<BR>\n" );
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document.write( "I got that it is neither. \r<BR>\n" );
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document.write( "Thank you. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #441019 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39618)</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=441019\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You made a mistake.  You see x used in x^4 and x^2.  Using negative x is the same result as using positive x.  The function is EVEN.   </SPAN>\n" );
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