document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1179550>Question 1179550</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Prove that if f : A → B is a function from A to B, then f ◦ iA = f and iB ◦ f = f. <BR>\n" );
document.write( "(iA: inverse of A). </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #809110 by </B><A HREF=/tutors/aboutme.mpl?userid=ikleyn><B>ikleyn(52781)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ikleyn><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=ikleyn><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=809110\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .<BR>\n" );
document.write( "Prove that if f : A → B is a function from A to B, then f ◦ iA = f and iB ◦ f = f. <BR>\n" );
document.write( "(iA: inverse of A).<BR>\n" );
document.write( "~~~~~~~~~~~~~~\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "This statement &nbsp;(in &nbsp;BOTH &nbsp;its parts) &nbsp;is &nbsp;INCORRECT.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "//////////\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<U>Comment from student</U> : If you think is \"incorrect\", please don't respond let someone else try to help. Thank you.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<U>My response</U>.  &nbsp;&nbsp;If I do not respond, &nbsp;you will &nbsp;NEVER &nbsp;know that your post is incorrect.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "THEREFORE, &nbsp;&nbsp;all that you should/need to respond is to say \"THANK YOU\" &nbsp;to me for pointing errors in your post.\r<BR>\n" );
document.write( "\n" );
document.write( "After that write the dot  &nbsp;\" . \"  ; &nbsp;&nbsp;then &nbsp;<U>STOP at this point</U> &nbsp;and do not write nothing else.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Do not try to teach me how to react to your posts.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Do not try to express your sujjestions about my teaching, &nbsp;because you do not know and do not understand the subject.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "It would be much better, &nbsp;if you ask your questions instead of posting your comments about my teaching.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Have a nice day (!)\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "////////////\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Your comment that you posted to me, reminds me a driver on a highway lane, &nbsp;who, &nbsp;instead of going forward, <BR>\n" );
document.write( "turns on the reverse transmission and moves his car backward in this lane, &nbsp;while and where all other drivers still continue move forward.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );