document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=150291>Question 150291</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How do you graph f(x)=log3x? \r<BR>\n" );
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document.write( "I am so confused I don't even know where to begin. I need help with showing what this would look like on a graph.\r<BR>\n" );
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document.write( "I would like to say thank you in advance to anyone who can help me graph this. I am really grateful for your help. \r<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 #110356 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=110356\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> How do you graph f(x)= log 3x?<BR>\n" );
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document.write( "y = f(x)<BR>\n" );
document.write( "then<BR>\n" );
document.write( "y = log(3x)<BR>\n" );
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document.write( "WE can't have log of zero or a neg number therefore all values: x > 0<BR>\n" );
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document.write( "Start with x = .22, using a calc, enter log(3*.2) = -.22<BR>\n" );
document.write( "x = .6; log(3*.6) = +.25 <BR>\n" );
document.write( "x = 1; log(3*1) = +.48<BR>\n" );
document.write( "x = 1.4 log(3*1.4) = +.62<BR>\n" );
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document.write( "After this the curve flattens out so we can jump to x = 2<BR>\n" );
document.write( "x = 2 log(3*2) = .78<BR>\n" );
document.write( "x = 4 log(3*4) = 1.08<BR>\n" );
document.write( "Continuing like this make a table<BR>\n" );
document.write( " x | y<BR>\n" );
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document.write( ".2 |-.22<BR>\n" );
document.write( ".6 |+.26<BR>\n" );
document.write( "1.0|+.48<BR>\n" );
document.write( "1.4|+.62<BR>\n" );
document.write( "2.0|+.78<BR>\n" );
document.write( "4.0|1.08<BR>\n" );
document.write( "6.0|1.26<BR>\n" );
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document.write( "Plot this on graph, scaled about like this: <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+graph%28+300%2C+200%2C+-1%2C+8%2C+-2%2C+3%2C+log%283x%29+%29+ ALIGN=MIDDLE  ALT=\"+graph%28+300%2C+200%2C+-1%2C+8%2C+-2%2C+3%2C+log%283x%29+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "Did this make sense to you?  </SPAN>\n" );
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