document.write( "Question 45660This question is from textbook
\n" ); document.write( ": If f(x) = 5x – 1 find following f(a-2) \n" ); document.write( "
Algebra.Com's Answer #30344 by AnlytcPhil(1806)\"\" \"About 
You can put this solution on YOUR website!
If f(x) = 5x – 1 find following f(a-2)\r\n" );
document.write( "\r\n" );
document.write( "f(x) = 5x - 1\r\n" );
document.write( "\r\n" );
document.write( "Make the x's red\r\n" );
document.write( "\r\n" );
document.write( "f(x) = 5x - 1\r\n" );
document.write( "\r\n" );
document.write( "Make the x's green\r\n" );
document.write( "\r\n" );
document.write( "f(x) = 5x - 1\r\n" );
document.write( "\r\n" );
document.write( "Make the x's p's\r\n" );
document.write( "\r\n" );
document.write( "f(p) = 5p - 1\r\n" );
document.write( "\r\n" );
document.write( "Make the x's scissors\r\n" );
document.write( "\r\n" );
document.write( "f(\") = 5\" - 1  \r\n" );
document.write( "\r\n" );
document.write( "Make the x's old timey telephones\r\n" );
document.write( "\r\n" );
document.write( "f(() = 5( - 1\r\n" );
document.write( "\r\n" );
document.write( "Make the x's smiley faces\r\n" );
document.write( "\r\n" );
document.write( "f(J) = 5J - 1\r\n" );
document.write( "\r\n" );
document.write( "Make the x's frowny faces\r\n" );
document.write( "\r\n" );
document.write( "f(L) = 5L - 1\r\n" );
document.write( "\r\n" );
document.write( "Make the x's airplanes\r\n" );
document.write( "\r\n" );
document.write( "f(Q) = 5Q - 1\r\n" );
document.write( "\r\n" );
document.write( "Make the x's two things, like this\r\n" );
document.write( "\r\n" );
document.write( "f(@&) - 5(@&) - 1\r\n" );
document.write( "\r\n" );
document.write( "Make the x's two other things\r\n" );
document.write( "\r\n" );
document.write( "f(ON) = 5(ON) - 1\r\n" );
document.write( "\r\n" );
document.write( "Make the x's three things\r\n" );
document.write( "\r\n" );
document.write( "f(RmG) = 5(RmG) - 1\r\n" );
document.write( "\r\n" );
document.write( "Make the x's these three things\r\n" );
document.write( "\r\n" );
document.write( "f(a-2) = 5(a-2) - 1\r\n" );
document.write( "\r\n" );
document.write( "All the algebra is on the right side. The left \r\n" );
document.write( "side is nothing but functional notation. So multiply\r\n" );
document.write( "out the parentheses on the right side using the \r\n" );
document.write( "distributive law\r\n" );
document.write( "\r\n" );
document.write( "f(a-2) = 5a - 10 - 1\r\n" );
document.write( "\r\n" );
document.write( "Now we combine the -10 and the -1 and get -11\r\n" );
document.write( "\r\n" );
document.write( "f(a-2) = 5a - 11\r\n" );
document.write( "\r\n" );
document.write( "That is the answer. Do not do anything to the left \r\n" );
document.write( "side because that is not algebra to be done but only a \r\n" );
document.write( "notation, a symbol for what is on the right. Do you\r\n" );
document.write( "see that all you do is substitute a-2 for x in the\r\n" );
document.write( "parentheses on the left, then substitute (a-2) for x\r\n" );
document.write( "on the right, and then we simplify?\r\n" );
document.write( "\r\n" );
document.write( "Edwin

\n" ); document.write( " \r
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "
\n" );