document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=99201>Question 99201</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/013062568X/algebrahomeworkh></A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> hi I have a problem that i'm not sure how to do.\r<BR>\n" );
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document.write( "the directions are - Suppose  f(x)= 2x - 5  and  g(x)=|-3-1|  Find each value. \r<BR>\n" );
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document.write( "the problem is <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+f%281%29+%2B+g%282%29+ ALIGN=MIDDLE  ALT=\"+f%281%29+%2B+g%282%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "I dont understand what I have to do. I know how to substitute things when there is an x but not when there is a number and it's really confusing me!  Could you please help me out!  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #72169 by </B><A HREF=/tutors/aboutme.mpl?userid=Adam><B>Adam(64)</B></A><img src=\"/images/stars/stars-08.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Adam><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=72169\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> f(x) and g(x) are functions - some rule of pairing, let's say we've got set A and want to assign every number from our set any different number, according to some pattern equation perhaps that could be y = x^2 = f(x) = x^2 value of function at any general point x. f(2) means value of function at point 2. if function is given by f(x) = 2x-5 then f(1)= 2*1-5= -3 and if g(x)=|-3-1| (you cannot substitute, because you do not have where - value of function g is constant and does not depend on value of x thus f(1)+g(2)=-3+|-3-1|<BR>\n" );
document.write( "=(-3)+|-4|<BR>\n" );
document.write( "=4-3<BR>\n" );
document.write( "=1\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+graph%28+300%2C+200%2C+-10%2C+10%2C+-10%2C+10%2C+2%2Ax-5%2C+4%29+ ALIGN=MIDDLE  ALT=\"+graph%28+300%2C+200%2C+-10%2C+10%2C+-10%2C+10%2C+2%2Ax-5%2C+4%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "that green line represents g(x) = see that for any x on x-axis(horizantal) there is same value on y-axis(vertical) function f(x) is different values of y depend on values of x  </SPAN>\n" );
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