The diagram shows a position-time graph.

A graph titled Position versus Time shows time in seconds on the x-axis, numbered 0 to 5, and position in meters on the y-axis, numbered 0 to 4. A straight line starts at (0, 0), slants upward to (2, 2), and slants downward to (4, 0).
What is the displacement of the object?

–2 m
–1 m
3 m
4 m