document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=801530>Question 801530</A>: <I><SPAN STYLE=\"word-break: break-all;\"> PLEASE HELP!!!\"I NEED TO LEARN THESE BEFORE MY TEST ON FRIDAY <BR>\n" );
document.write( "I have to use the following function for f(0)and  f(3) if f(x)=4X+9\r<BR>\n" );
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document.write( "AND use the following function  for g(x+3)if g(x)=-x^2 +5x+3\r<BR>\n" );
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document.write( "These are practice problems I don't know where to begin<BR>\n" );
document.write( "Thanks so much in advance </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #483705 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=483705\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  have to use the following function for <BR>\n" );
document.write( "f(0)and f(3) if f(x)=4X+9<BR>\n" );
document.write( "for f(0)= 4x + 9<BR>\n" );
document.write( "replace x with 0<BR>\n" );
document.write( "f(0) = 4(0) + 9<BR>\n" );
document.write( "f(0) = 0 + 9<BR>\n" );
document.write( "f(0) = 9<BR>\n" );
document.write( "for f(3) = 4x + 9<BR>\n" );
document.write( "Replace x with 3<BR>\n" );
document.write( "f(3) = 4(3) + 9<BR>\n" );
document.write( "f(3) = 12 + 9<BR>\n" );
document.write( "f(3) = 21<BR>\n" );
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document.write( "AND use the following function for g(x+3)if g(x)=-x^2 +5x+3<BR>\n" );
document.write( "g(x+3) = -x^2 + 5x + 3 <BR>\n" );
document.write( "Replace x with (x+3)<BR>\n" );
document.write( "g(x+3) = -(x+3)^2 + 5(x+3) + 3<BR>\n" );
document.write( "FOIL (x+3)(x+3), distribute the 5<BR>\n" );
document.write( "g(x+3) = -(x^2 + 6x + 9) + 5x + 15 + 3<BR>\n" );
document.write( "removing the brackets with minus in front changes the signs<BR>\n" );
document.write( "g(x+3) = -x^2 - 6x - 9 + 5x + 15 + 3<BR>\n" );
document.write( "Combine like terms<BR>\n" );
document.write( "g(x+3) = -x^2 - x + 9 </SPAN>\n" );
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