document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=172076>Question 172076</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Dear tutors, I am desperate, I need help plotting and graphing these questions.  Any assistance will be greatfully appreciated!  Thank you!<BR>\n" );
document.write( "Plot the graphs of the following functions and graph. <BR>\n" );
document.write( "1.	f(x)=7x <BR>\n" );
document.write( "2.	f(x)=4x - 3 <BR>\n" );
document.write( "3.	f(x)=(1/5)x <BR>\n" );
document.write( "4.	f(x)= log3x <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 #127120 by </B><A HREF=/tutors/aboutme.mpl?userid=solver91311><B>solver91311(24713)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=solver91311><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=solver91311><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=127120\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Process:\r<BR>\n" );
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document.write( "Pick a value for <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x ALIGN=MIDDLE  ALT=\"x\"   DISABLED_style= \"max-width:90%; height:auto;\" >.  Substitute this value for x in your function and do the arithmetic to determine the value of <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29 ALIGN=MIDDLE  ALT=\"f%28x%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >.  Then plot the point (<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x ALIGN=MIDDLE  ALT=\"x\"   DISABLED_style= \"max-width:90%; height:auto;\" >,<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29 ALIGN=MIDDLE  ALT=\"f%28x%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >).\r<BR>\n" );
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document.write( "Repeat.\r<BR>\n" );
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document.write( "You only have to plot 2 points for each of problems 1, 2, and 3 because they all graph as straight lines -- and two points determine a line.  But number 4 is a logarithmic curve.  Use your calculator.  Since the base is not specified, you must assume base 10 logs.\r<BR>\n" );
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document.write( "Advice for selecting values of <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x ALIGN=MIDDLE  ALT=\"x\"   DISABLED_style= \"max-width:90%; height:auto;\" > for problem 4:\r<BR>\n" );
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document.write( "Make sure that <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3x%3E0 ALIGN=MIDDLE  ALT=\"3x%3E0\"   DISABLED_style= \"max-width:90%; height:auto;\" > for all of your selections:  The domain of <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=log%28b%2C%28x%29%29 ALIGN=MIDDLE  ALT=\"log%28b%2C%28x%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%3E0 ALIGN=MIDDLE  ALT=\"x%3E0\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "The graph will intersect the x-axis at <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=1%2F3 ALIGN=MIDDLE  ALT=\"x=1%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" > because <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=log%28b%2C%281%29%29=1 ALIGN=MIDDLE  ALT=\"log%28b%2C%281%29%29=1\"   DISABLED_style= \"max-width:90%; height:auto;\" > -- always.\r<BR>\n" );
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document.write( "Make sure you pick a couple of points such that <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3x+%3C+1 ALIGN=MIDDLE  ALT=\"3x+%3C+1\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "Pick a couple of points such that <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3x%3E10 ALIGN=MIDDLE  ALT=\"3x%3E10\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Finally, select several points such that <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1+%3C+3x+%3C+10 ALIGN=MIDDLE  ALT=\"1+%3C+3x+%3C+10\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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