document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=124293>Question 124293</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Can you please help with this problem from college algebra blitzer.using this function f(x) =x^2 +4x +1, find h, the x-coordinate of the vertex of this parabola,using a graph.\r<BR>\n" );
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document.write( "substitute the two intergers immediately to the left and right of h into the function to find the corresponding y. fill in following table. make sure the x- values are in increasing order in your table.\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #91097 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=91097\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> using this function f(x) =x^2 +4x +1, find h, the x-coordinate of the vertex of this parabola,using a graph.<BR>\n" );
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document.write( "The max or min point occurs when x=-b/2a = -4/(2*1) = -2<BR>\n" );
document.write( "Therefore h=-2<BR>\n" );
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document.write( "substitute the two integers immediately to the left and right of h into the function to find the corresponding y. fill in following table. make sure the x- values are in increasing order in your table. <BR>\n" );
document.write( "If x=-4, f(-4) = (-4)^2+4*4+1 = 13<BR>\n" );
document.write( "If x=-3, f(-3) = (-3)^2+4*-3+1 =-2<BR>\n" );
document.write( "If x=-2, f(-2) = (-2)^2+4*-2+1 =-3<BR>\n" );
document.write( "If x=-1, f(-1) = (-1)^2+4*-1+1 =-2<BR>\n" );
document.write( "If x=0 , f(0)  = (0)^2+4*0+1 = 1<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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