document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=253402>Question 253402</A>: <I><SPAN STYLE=\"word-break: break-all;\"> if the domain of f(x)=4x^2-4x-2 is (-7,-5,-3,-1,1,2,3,4,6) what is the range ? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #185696 by </B><A HREF=/tutors/aboutme.mpl?userid=edjones><B>edjones(8007)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=edjones><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=edjones><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=185696\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> f(x)=4x^2-4x-2 <BR>\n" );
document.write( "The domain is all real numbers, not the numbers listed above.<BR>\n" );
document.write( "-a/2b=4/8=1/2 (x at the minimum) If a is positive it has a minimum.<BR>\n" );
document.write( "4(1/2)^2-4(1/2)-2<BR>\n" );
document.write( "=1-2-2<BR>\n" );
document.write( "=-3 (y at the minimum)<BR>\n" );
document.write( "The range is (infinity to -3]<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Ed<BR>\n" );
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