document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=16555>Question 16555</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Can you please help me with this problem: Find each value given that f(x)=2x+1<BR>\n" );
document.write( "f(3)+f(2). <BR>\n" );
document.write( "And: Find the domain and range of f(x)= 1/x-4. I know the domain is x and the range is y, but how do I figure it on a fraction?<BR>\n" );
document.write( "Thank You </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #8086 by </B><A HREF=/tutors/aboutme.mpl?userid=venugopalramana><B>venugopalramana(3286)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=venugopalramana><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.geocities.com/venugopalramana/FREE_MATHS_ASSISTANCE.html valign=middle><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=8086\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> f(x)=2x+1<BR>\n" );
document.write( "f(3)+f(2). <BR>\n" );
document.write( " to get f(3) you have to substitute 3 inplace of x in the given function .hence <BR>\n" );
document.write( "f(3)=2*3+1=7<BR>\n" );
document.write( "f(2)=2*2+1=5<BR>\n" );
document.write( " f(3)+f(2)=7+5=12<BR>\n" );
document.write( " Find the domain and range of f(x)= 1/x-4. I know the domain is x and the range is y, but how do I figure it on a fraction?<BR>\n" );
document.write( " domain of a function means the value x can take to make the function meaningfull or legal mathematically...for example in maths division by zero has no meaning.similarly square root of a negative number does not exist.<BR>\n" );
document.write( " here we have 1/(x-4)..which has a division ..so x-4 cannot be zero..so x cannot be equal to 4...so the domain of x is all values of real numbers except 4<BR>\n" );
document.write( "      now coming to range it is those values of y ,that are obtained by taking all possible value of x in its domain as determined above.<BR>\n" );
document.write( "      here we find that y can take all values of real numbers since x will not equal 4 in the domain.so range of y is all possible values of real numbers<BR>\n" );
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