document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=212795>Question 212795</A>: <I><SPAN STYLE=\"word-break: break-all;\"> slope of a tan line to a curve at P (3,3) is 4. Use the equation of this tangent to find its value for x=9.<BR>\n" );
document.write( "The answer I got was p=81 , I know that the equation of the tangemt line is y=4x-9, but I am lost after that part.<BR>\n" );
document.write( "but my choices are 27,31,29,22,32 or 24 as the right answer. so it can not be p=81 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #160716 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=160716\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> slope of a tan line to a curve at P (3,3) is 4. Use the equation of this tangent to find its value for x=9.<BR>\n" );
document.write( "------------------<BR>\n" );
document.write( "y-y1 = m*(x-x1)<BR>\n" );
document.write( "y-3 = 4(x-3)<BR>\n" );
document.write( "y = 4x - 9<BR>\n" );
document.write( "--------<BR>\n" );
document.write( "At x = 9:<BR>\n" );
document.write( "y = 4*9 - 9<BR>\n" );
document.write( "y = 27<BR>\n" );
document.write( "You got the hard part right. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );