document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=767979>Question 767979</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help!<BR>\n" );
document.write( "Help I do not understand this at all. I read over the chapter numerous times and still confused.  \r<BR>\n" );
document.write( "\n" );
document.write( "We define the following functions:<BR>\n" );
document.write( "f(x)=2x+5   <BR>\n" );
document.write( "g(x)=x^2-3    <BR>\n" );
document.write( "h(x)=7-x/3<BR>\n" );
document.write( "   <BR>\n" );
document.write( "o    Compute (f – h)(4). <BR>\n" );
document.write( "o    Evaluate the following two compositions:  (fog)(x)and (hog)(x) . <BR>\n" );
document.write( "o    Transform the g(x) function so that the graph is moved 6 units to the right and 7 units down. <BR>\n" );
document.write( "o    Find the inverse functions  f^-1(x) and h^-1(x)  .  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #468004 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39620)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=468004\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The goal is to learn to use function notation and apply definitions of functions and function notation.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Looking at the first task, (f-h)(4), seems to be just take the two functions, f and h, form their difference, and then evaluate this resulting function at x=4.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29-h%28x%29=2x%2B5-%287-x%2F3%29 ALIGN=MIDDLE  ALT=\"f%28x%29-h%28x%29=2x%2B5-%287-x%2F3%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2x%2B5-7%2Bx%2F3 ALIGN=MIDDLE  ALT=\"2x%2B5-7%2Bx%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2x-2%2Bx%2F3 ALIGN=MIDDLE  ALT=\"2x-2%2Bx%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2%2A3x%2F3-2%2A3%2F3%2Bx ALIGN=MIDDLE  ALT=\"2%2A3x%2F3-2%2A3%2F3%2Bx\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%286x-6%2Bx%29%2F3 ALIGN=MIDDLE  ALT=\"%286x-6%2Bx%29%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28%28f-h%29%28x%29=%287x-6%29%2F3%29 ALIGN=MIDDLE  ALT=\"highlight%28%28f-h%29%28x%29=%287x-6%29%2F3%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "At x=4, the function becomes<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28f-h%29%284%29=%287%2A4-6%29%2F3=%2828-6%29%2F3=highlight%2822%2F3%29 ALIGN=MIDDLE  ALT=\"%28f-h%29%284%29=%287%2A4-6%29%2F3=%2828-6%29%2F3=highlight%2822%2F3%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );