document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=940091>Question 940091</A>: <I><SPAN STYLE=\"word-break: break-all;\"> for the indicated functions f and g, &#64257;nd the<BR>\n" );
document.write( "functions f + g, f - g, fg, and f|g, and &#64257;nd their domains.<BR>\n" );
document.write( "f(x)= 2x^2; g(x)= x^2 + 1<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #572931 by </B><A HREF=/tutors/aboutme.mpl?userid=ewatrrr><B>ewatrrr(24785)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ewatrrr><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/cgi-bin/show-face.mpl?user=ewatrrr><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=572931\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Note: domain of a Polynomial function is ALL real numbers.<BR>\n" );
document.write( "Exs: ax + b, ax^2 + bx + c,  ax^3 + bx^2 + cx + d , etc<BR>\n" );
document.write( "....<BR>\n" );
document.write( "f(x)= 2x^2; g(x)= x^2 + 1<BR>\n" );
document.write( "f + g, 4x^2+1 (Polynomial), domain is ALL real numbers (&#8722; &#8734;, &#8734;)<BR>\n" );
document.write( "f - g, 1  (Polynomial), domain is ALL real numbers  (&#8722;&#8734;, &#8734;)<BR>\n" );
document.write( "fg, 4x^2 + 2x^2(Polynomial), domain is ALL real numbers  (&#8722;&#8734;, &#8734;)<BR>\n" );
document.write( ".....<BR>\n" );
document.write( "f/g, (2x^2)/(x^2+1), domain is ALL real numbers (&#8722;&#8734;, &#8734;)\r<BR>\n" );
document.write( "\n" );
document.write( "denominator is NEVER zero in this case </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );