Detailed description
The function defined by x -f(x). Line segments at 45 degree to the x axis. The first goes from (-1, 0) to (0, 1), this point not included. The second from the origin to (1, 1), this point not included.
Functions I
The function defined by x -f(x). Line segments at 45 degree to the x axis. The first goes from (-1, 0) to (0, 1), this point not included. The second from the origin to (1, 1), this point not included.