f x 1/2 x 1 x-4 2, f x 3 2x x f x 3 2x 2 1 0 3 1 1 2 3 4, f x x-1 x-2 2 x-3 3 x-4 4, f x x-1 x-2 x-3 x-4, f x x 2 - x -1, f x x 1/2, f x x-1 3 x-2 2, f x 2 x-1/2 x+1, f x 1/2 x + 3/2, f x 2 x+1/2 x, f x-1/x x 2+1/x 2, f x-1 x 2-1, f x 2 x-1 f 2a -f a-2 0, f x x-2 4 x+1 3, f x x x-1 x-2 x-3, f x-1 x2 f x, f x f x-1 +2f x-2, f x 1/ 1+x 2, f x 4 x/4 x+2, f x 2f x-1 +1, f 1/x-1 x/2x-1, 1/2f x-f x-1
f x 1/2 x 1 x-4 2. There are any references about f x 1/2 x 1 x-4 2 in here. you can look below.
f x 1/2 x 1 x-4 2
f x 3 2x x f x 3 2x 2 1 0 3 1 1 2 3 4
f x x-1 x-2 2 x-3 3 x-4 4
f x x-1 x-2 x-3 x-4
f x x 2 - x -1
f x x 1/2
f x x-1 3 x-2 2
f x 2 x-1/2 x+1
f x 1/2 x + 3/2
f x 2 x+1/2 x
f x-1/x x 2+1/x 2
f x-1 x 2-1
f x 2 x-1 f 2a -f a-2 0
f x x-2 4 x+1 3
f x x x-1 x-2 x-3
f x-1 x2 f x
f x f x-1 +2f x-2
f x 1/ 1+x 2
f x 4 x/4 x+2
f x 2f x-1 +1
f 1/x-1 x/2x-1
1/2f x-f x-1
f x 1/2 x 1 x-4 2, f x 3 2x x f x 3 2x 2 1 0 3 1 1 2 3 4, f x x-1 x-2 2 x-3 3 x-4 4, f x x-1 x-2 x-3 x-4, f x x 2 - x -1, f x x 1/2, f x x-1 3 x-2 2, f x 2 x-1/2 x+1, f x 1/2 x + 3/2, f x 2 x+1/2 x, f x-1/x x 2+1/x 2, f x-1 x 2-1, f x 2 x-1 f 2a -f a-2 0, f x x-2 4 x+1 3, f x x x-1 x-2 x-3, f x-1 x2 f x, f x f x-1 +2f x-2, f x 1/ 1+x 2, f x 4 x/4 x+2, f x 2f x-1 +1, f 1/x-1 x/2x-1, 1/2f x-f x-1
