document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=468130>Question 468130</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 5. For the following function: <BR>\n" );
document.write( "f(x)=x^6-7x^4-2x+7<BR>\n" );
document.write( "(A)Find the maximum number of real zeros, and <BR>\n" );
document.write( "(B)Use Descartes's rule of signs to determine how many positive and how many negative zeros the function has. You do not need to find the zeros. <BR>\n" );
document.write( "Please show all of your work \r<BR>\n" );
document.write( "\n" );
document.write( "Please help me, I really will appreciate it, thanks! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #321195 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=321195\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> For the following function: <BR>\n" );
document.write( "f(x)=x^6-7x^4-2x+7<BR>\n" );
document.write( "(A)Find the maximum number of real zeros::: 6 <BR>\n" );
document.write( "(B)Use Descartes's rule of signs to determine how many positive and how many negative zeros the function has. You do not need to find the zeros.<BR>\n" );
document.write( "--<BR>\n" );
document.write( "f(x) has 2 changes of sign<BR>\n" );
document.write( "so f has 0 or 2 positive zeros<BR>\n" );
document.write( "---<BR>\n" );
document.write( "f(-x) = x^6-7x^4+2x+7 has 2 changes of sign<BR>\n" );
document.write( "so f has 0 or 2 negative zeros<BR>\n" );
document.write( "=====================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "============= <BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );