document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=303783>Question 303783</A>: <I><SPAN STYLE=\"word-break: break-all;\"> find the equation for the line tangent in y=mx+b form. f(x)=sqrt (x)/5 at (4,2/5) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #217661 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=217661\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y+=+sqrt%28x%29%2F5 ALIGN=MIDDLE  ALT=\"y+=+sqrt%28x%29%2F5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "y' = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%281%2F2%29x%5E%28-1%2F2%29%2F5 ALIGN=MIDDLE  ALT=\"%281%2F2%29x%5E%28-1%2F2%29%2F5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "y' = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F%2810sqrt%28x%29%29 ALIGN=MIDDLE  ALT=\"1%2F%2810sqrt%28x%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "At x = 4, y = 2/5, y' = 1/20 = m<BR>\n" );
document.write( "---------------<BR>\n" );
document.write( "2/5 = (1/20)*4 + b<BR>\n" );
document.write( "b = 1/5<BR>\n" );
document.write( "--> y = (1/20)x + 1/5<BR>\n" );
document.write( " </SPAN>\n" );
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