document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=261456>Question 261456</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need help on solving this equation. I'm supposed to find the domain and range. I think that domain is x and range is y and that f(x) is the same thing as y.  Therefore, I think that f(x) is the range and x is the domain.  Here is the problem: f(x) = 2x + 4\r<BR>\n" );
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document.write( "Thank you for your time!  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #192655 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=192655\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Domain: Set of all possible inputs<BR>\n" );
document.write( "Range: Set of all possible outputs\r<BR>\n" );
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document.write( "Because 'x' is considered the input, we can think of the domain as the set of all 'x' values that we can plug in. Since there are no restrictions on what to plug in (we don't have to worry about dividing by zero), the domain is the set of all real numbers.\r<BR>\n" );
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document.write( "If we graph f(x) = 2x + 4, we will find that every 'y' value will get hit at some 'x' value. So the range is also the set of all real numbers. </SPAN>\n" );
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