document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1115678>Question 1115678</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The function f(x)=x+19 is one-to-one.<BR>\n" );
document.write( "Find an equation for f^-1(x), the inverse function.\r<BR>\n" );
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document.write( "f^-1(x) = ?\r<BR>\n" );
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document.write( "Thank you!!!<BR>\n" );
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document.write( "For many relatively simple functions like this one, you can find the inverse by knowing that an inverse function \"gets you back where you started\".<br><BR>\n" );
document.write( "The given function adds 19 to the input value.<br><BR>\n" );
document.write( "The inverse function gets you back where you started by doing the opposite operations in the opposite order.<br><BR>\n" );
document.write( "In this example, the given function has only one operation, addition.  The opposite of addition is subtraction.<br><BR>\n" );
document.write( "So the inverse function subtracts 19 from the input value.<br><BR>\n" );
document.write( "Answer: the inverse function is f^-1(x) = x-19. </SPAN>\n" );
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