document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=94987>Question 94987</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If F(4)=0 and F(6)=6, which of the following could represent F(x)?\r<BR>\n" );
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document.write( "I know the answer is 3x-12 but don't know how they came to that from what I am given. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #69118 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=69118\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> If F(4)=0 and F(6)=6, which of the following could represent F(x)?\r<BR>\n" );
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document.write( "I know the answer is 3x-12 but don't know how they came to that from what I am given.<BR>\n" );
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document.write( "You have two points: (4,0) and (6,6)<BR>\n" );
document.write( "The form of the linear equation thru these point is y=mx+b<BR>\n" );
document.write( "m = (6-0)/(6-4) = 6/2 = 3<BR>\n" );
document.write( "So, you have m=3 and y = 6 when x=6.<BR>\n" );
document.write( "6 = 3*6 + b<BR>\n" );
document.write( "b = -12<BR>\n" );
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document.write( "EQUATION:<BR>\n" );
document.write( "y = 3x-12<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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