document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=72595>Question 72595</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me solve\r<BR>\n" );
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document.write( "f(5) + h (5)\r<BR>\n" );
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document.write( "if<BR>\n" );
document.write( "f(x)=7x - 40<BR>\n" );
document.write( "h(x)= -x^2 + 6x </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #51898 by </B><A HREF=/tutors/aboutme.mpl?userid=bucky><B>bucky(2189)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=bucky><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=51898\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Given:<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%28x%29=7x+-+40 ALIGN=MIDDLE  ALT=\"f%28x%29=7x+-+40\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "and<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=h%28x%29=+-x%5E2+%2B+6x ALIGN=MIDDLE  ALT=\"h%28x%29=+-x%5E2+%2B+6x\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "f(5) means to go to the equation for f(x) and replace all the x's with 5.  When you do, then<BR>\n" );
document.write( "you get:<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=f%285%29+=+7%2A5+-+40+=+35+-+40+=+-5 ALIGN=MIDDLE  ALT=\"f%285%29+=+7%2A5+-+40+=+35+-+40+=+-5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "Similarly, h(5) means to go to the equation for h(x) and replace all the x's by 5. And when you,<BR>\n" );
document.write( "make this substitution you get:<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=h%285%29+=+-%285%5E2%29+%2B+6%2A5+=+-25+%2B+30+=+%2B5 ALIGN=MIDDLE  ALT=\"h%285%29+=+-%285%5E2%29+%2B+6%2A5+=+-25+%2B+30+=+%2B5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "so adding f(5) to h(5) is equal to <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-5+%2B+5 ALIGN=MIDDLE  ALT=\"-5+%2B+5\"   DISABLED_style= \"max-width:90%; height:auto;\" > and the result is zero.<BR>\n" );
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document.write( "So the answer to your problem is zero.<BR>\n" );
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document.write( "Hope this helps you to understand how to deal with f(x), g(x), and h(x) when numbers are<BR>\n" );
document.write( "given such as f(5), g(-2), and h(0).  Just plug those numbers in for x in the equations <BR>\n" );
document.write( "for f(x), g(x), and h(x).\r<BR>\n" );
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document.write( "  </SPAN>\n" );
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