document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=598044>Question 598044</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me solve f(x)= -2(3)^x +1 and how do u graph this? Thanks </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #378469 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=378469\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> f(x)= -2(3)^x +1<BR>\n" );
document.write( ":<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-2%283%5Ex%29%2B1 ALIGN=MIDDLE  ALT=\"-2%283%5Ex%29%2B1\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 0<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-2%283%5Ex%29 ALIGN=MIDDLE  ALT=\"-2%283%5Ex%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > = -1<BR>\n" );
document.write( "divide both sides by -2<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3%5Ex ALIGN=MIDDLE  ALT=\"3%5Ex\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28-1%29%2F%28-2%29 ALIGN=MIDDLE  ALT=\"%28-1%29%2F%28-2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( ":<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3%5Ex ALIGN=MIDDLE  ALT=\"3%5Ex\"   DISABLED_style= \"max-width:90%; height:auto;\" > = .5<BR>\n" );
document.write( "using nat logs<BR>\n" );
document.write( "x*ln(3) = ln(.5)<BR>\n" );
document.write( "x = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=ln%28.5%29%2Fln%283%29 ALIGN=MIDDLE  ALT=\"ln%28.5%29%2Fln%283%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "x = -.631<BR>\n" );
document.write( ":<BR>\n" );
document.write( "To graph this make a table of values starting with x=-2, the every half unit to x=+2<BR>\n" );
document.write( "Using a calc: <BR>\n" );
document.write( "y = -2(3^-2) + 1 <BR>\n" );
document.write( "y = -2(.111) + 1<BR>\n" );
document.write( "y = .777<BR>\n" );
document.write( "Find y for each value of x, <BR>\n" );
document.write( " x | y<BR>\n" );
document.write( "-------<BR>\n" );
document.write( "-2.0|.78<BR>\n" );
document.write( "-1.5|.62<BR>\n" );
document.write( "-1.0|.33<BR>\n" );
document.write( "-0.5|-.15<BR>\n" );
document.write( "0.0 |-1.0<BR>\n" );
document.write( "+0.5|-2.5<BR>\n" );
document.write( "+1.0|-5<BR>\n" );
document.write( "+1.5|-9.4<BR>\n" );
document.write( "+2.0|-17<BR>\n" );
document.write( "Your graph should look alot like this<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28+300%2C+200%2C+-2%2C+5%2C+-20%2C+4%2C+-2%283%5Ex%29%2B1%29+ ALIGN=MIDDLE  ALT=\"graph%28+300%2C+200%2C+-2%2C+5%2C+-20%2C+4%2C+-2%283%5Ex%29%2B1%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );