document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=763306>Question 763306</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Suppose f(x) is a linear function with slope 2 and f(1) = 3. Find f(2). </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #464685 by </B><A HREF=/tutors/aboutme.mpl?userid=ramkikk66><B>ramkikk66(644)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ramkikk66><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=464685\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Slope of the line is 2.<BR>\n" );
document.write( "Since f(1) = 3, (1,3) is a point on the line.\r<BR>\n" );
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document.write( "The equation for a line with slope m and which has a point (x1,y1) is\r<BR>\n" );
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document.write( "(y - y1) = m(x - x1)\r<BR>\n" );
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document.write( "Substituting for m, x1 and y1\r<BR>\n" );
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document.write( "(y - 3) = 2(x - 1)\r<BR>\n" );
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document.write( "y - 3 = 2x - 2 or y = 2x + 1\r<BR>\n" );
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document.write( "f(x) = 2x + 1\r<BR>\n" );
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document.write( "So f(2) = 2*2 + 1 = 5\r<BR>\n" );
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document.write( ":)<BR>\n" );
document.write( " </SPAN>\n" );
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