document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=173631>Question 173631</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Take a look at the table below and write out an equation for f(x).\r<BR>\n" );
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document.write( "x:    -2, -1, 0, 1, 2 <BR>\n" );
document.write( "f(x): -1,  1, 3, 5, 7 <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 #128474 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=128474\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Take a look at the table below and write out an equation for f(x). \r<BR>\n" );
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document.write( "x: -2, -1, 0, 1, 2 <BR>\n" );
document.write( "f(x): -1, 1, 3, 5, 7 \r<BR>\n" );
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document.write( "Notice that f(s) increases 2 for every increase in one of x.<BR>\n" );
document.write( "That tells you the slope is 2/1 = 2<BR>\n" );
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document.write( "Notice that when x = 0, f(x) = 3.<BR>\n" );
document.write( "That tells you the intercept is 3<BR>\n" );
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document.write( "So the equation is f(x) = 2x + 3<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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