document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=59700>Question 59700</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve both algebraically and graphically.<BR>\n" );
document.write( "4^(3x-1)=90<BR>\n" );
document.write( "log(4^3x-1)=log(90)<BR>\n" );
document.write( "3x-1*log(4)=log(90)<BR>\n" );
document.write( "3x-1=log(90)/log(4)<BR>\n" );
document.write( "3x=log(90)/log(4)+1<BR>\n" );
document.write( "3x=4.2459/3<BR>\n" );
document.write( "x=1.4153 (approximately)\r<BR>\n" );
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document.write( "Now I need to show this graphically, and am having a hard time remembering how to do it on my graphing calculator. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #40975 by </B><A HREF=/tutors/aboutme.mpl?userid=Earlsdon><B>Earlsdon(6294)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Earlsdon><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=40975\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Your algebraic solution is ok.<BR>\n" );
document.write( "To graph this, you want to get your equation into a form like: f(x) = ...., so:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4%5E%283x-1%29+=+90 ALIGN=MIDDLE  ALT=\"4%5E%283x-1%29+=+90\"   DISABLED_style= \"max-width:90%; height:auto;\" > subtract 90 from both sides.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29+=+4%283x-1%29+-+90 ALIGN=MIDDLE  ALT=\"f%28x%29+=+4%283x-1%29+-+90\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Now you can enter this function, as <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y+=+4%5E%283x-1%29+-+90 ALIGN=MIDDLE  ALT=\"y+=+4%5E%283x-1%29+-+90\"   DISABLED_style= \"max-width:90%; height:auto;\" > into your graphing calculator. <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28300%2C200%2C-5%2C5%2C-5%2C5%2C4%5E%283x-1%29-90%29 ALIGN=MIDDLE  ALT=\"graph%28300%2C200%2C-5%2C5%2C-5%2C5%2C4%5E%283x-1%29-90%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "The solution is the intersection of the line and the x-axis or x = 1.4...<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );