document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=629281>Question 629281</A>: <I><SPAN STYLE=\"word-break: break-all;\"> For the function f(x)= -(x^2-x), where x is an integer, the range can be defined as:\r<BR>\n" );
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document.write( "A. y is less than or equal to 0<BR>\n" );
document.write( "B. y is greater than or equal to 0<BR>\n" );
document.write( "C. y is less than 0<BR>\n" );
document.write( "D. y is less than -2<BR>\n" );
document.write( "E. y is less than or equal to -2 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #396144 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=396144\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> For the function f(x)= -(x^2-x), where x is an integer, the range can be defined as: <BR>\n" );
document.write( "A. y is less than or equal to 0<BR>\n" );
document.write( "B. y is greater than or equal to 0<BR>\n" );
document.write( "C. y is less than 0<BR>\n" );
document.write( "D. y is less than -2<BR>\n" );
document.write( "E. y is less than or equal to -2<BR>\n" );
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document.write( "y = -x^2+x<BR>\n" );
document.write( "y = -x(x-1)<BR>\n" );
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document.write( "x-intercepts are 0 and 1<BR>\n" );
document.write( "Parabola opens down<BR>\n" );
document.write( "Max occurs at x = -b/(2a) = -1/(2*-1) = 1/2<BR>\n" );
document.write( "Max value = f(1/2) = (-1/2)((1/2)-1) = -1/2*(-1/2) = 1/4<BR>\n" );
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document.write( "Range is \"All Real Numbers less than of equal to 1/4.<BR>\n" );
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document.write( "Note: None of your \"option answers\" is correct for the <BR>\n" );
document.write( "problem you posted.<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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