document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=758410>Question 758410</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If f(x)=x^2+1, find f(a+1) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #461463 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=461463\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> f(x)=x^2+1\r<BR>\n" );
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document.write( "f(a+1)=(a+1)^2+1 ... replace ALL copies of 'x' with 'a+1'\r<BR>\n" );
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document.write( "f(a+1)=(a+1)(a+1)+1\r<BR>\n" );
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document.write( "f(a+1)=a(a+1)+1(a+1)+1\r<BR>\n" );
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document.write( "f(a+1)=a^2+a+a+1+1\r<BR>\n" );
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document.write( "f(a+1)=a^2+2a+2\r<BR>\n" );
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document.write( "So the answer is f(a+1)=a^2+2a+2 </SPAN>\n" );
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