document.write( "Question 1207231: f(x) = x + 1 and g(x) = x² + 6x, find g(f(x)). \n" ); document.write( "
Algebra.Com's Answer #844986 by Edwin McCravy(20065) You can put this solution on YOUR website! \r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "f(x) = x + 1 and g(x) = x2 + 6x, find g(f(x))\r\n" ); document.write( "g(f(x)) means to substitute the right side of f(x) for x in the right side of g(x).\r\n" ); document.write( "\r\n" ); document.write( "Take the right side of f(x), which is x+1, put parentheses around it, (x+1),\r\n" ); document.write( "and in place of every x in the right side of g(x), put (x+1), so you have\r\n" ); document.write( "\r\n" ); document.write( "x2+6x put (x+1). \r\n" ); document.write( "\r\n" ); document.write( "So\r\n" ); document.write( "\r\n" ); document.write( "g(f(x)) = (x+1)2+6(x+1)\r\n" ); document.write( "\r\n" ); document.write( "You simplify that right side, or wait, and somebody will simplify it for you\r\n" ); document.write( "and you won't have to do anything but copy it and turn it in.\r\n" ); document.write( "\r\n" ); document.write( "Edwin\n" ); document.write( " |