Question: You are in the middle of a long MATLAB session where you have performed many analyses and made many plots. You run the following commands, yet a figure window doesn't pop up on the top of your screen with your plot. What might be the issue?

1. Your plot doesn't plot in a figure window because `figure` was not called immediately in advance.
2. Your `plot` syntax is incorrect.
3. Your plot is in a figure window that was already open, hidden behind other windows on your screen.
4. Your plot was saved to an image file but not displayed.

Answer: The correct answer of the above question is Option C:Your plot is in a figure window that was already open, hidden behind other windows on your screen.