document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=283267>Question 283267</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find the indicated outputs for f(X)=3x(squared)-4x<BR>\n" );
document.write( "f(0)=\r<BR>\n" );
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document.write( "I have tried this one about 4 times, can you walk me through it please on here so I know how to get the answer in the future please!!! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #205621 by </B><A HREF=/tutors/aboutme.mpl?userid=vleith><B>vleith(2983)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=vleith><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=205621\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> for all these f of x type problems, you are being asked to evaluate the expression at a given value of x.\r<BR>\n" );
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document.write( "So all you do is substitute in the given value of x everywhere in the given expression. The simplify and evaluate. \r<BR>\n" );
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document.write( "Given <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29=3x%5E2-4x ALIGN=MIDDLE  ALT=\"f%28x%29=3x%5E2-4x\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Solve for f(0).<BR>\n" );
document.write( "So sub in x=0 everywhere in the expression<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%280%29+=+3%2A0%5E2-4%2A0 ALIGN=MIDDLE  ALT=\"f%280%29+=+3%2A0%5E2-4%2A0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%280%29+=+0+-+0 ALIGN=MIDDLE  ALT=\"f%280%29+=+0+-+0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%280%29+=+0 ALIGN=MIDDLE  ALT=\"f%280%29+=+0\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "If they then asked, what is f(2). do the same process<BR>\n" );
document.write( "Given <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29=3x%5E2-4x ALIGN=MIDDLE  ALT=\"f%28x%29=3x%5E2-4x\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Solve for f(2).<BR>\n" );
document.write( "So sub in x=2 everywhere in the expression<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%282%29+=+3%2A2%5E2-4%2A2 ALIGN=MIDDLE  ALT=\"f%282%29+=+3%2A2%5E2-4%2A2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%282%29+=+3%2A4+-+8 ALIGN=MIDDLE  ALT=\"f%282%29+=+3%2A4+-+8\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%282%29+=+12+-+8 ALIGN=MIDDLE  ALT=\"f%282%29+=+12+-+8\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%282%29+=+4 ALIGN=MIDDLE  ALT=\"f%282%29+=+4\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "make sense?<BR>\n" );
document.write( "If yuou do that for a bunch of values for x, you get a bunch of points. Plot thos points and connect the dots to get a graph of the expression (a function in this case)\r<BR>\n" );
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document.write( "here is a graph<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28400%2C400%2C-10%2C10%2C-10%2C10%2C3x%5E2-4x%29 ALIGN=MIDDLE  ALT=\"graph%28400%2C400%2C-10%2C10%2C-10%2C10%2C3x%5E2-4x%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( " </SPAN>\n" );
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