It seems like you're referencing a piecewise function or possibly a function definition with specified points. However, the format is a bit unclear.
If you're defining a piecewise function, it might look something like this:
\[ f(x) = \begin{cases} -3 & \text{if } x < 2 \\ -6 & \text{if } x = 2 \\ 4 & \text{if } x > 2 \end{cases} \]
Alternatively, if you are referring to specific points of a function, please provide further context or clarify the question so I can assist you correctly.
Are you looking to analyze this function, find values at certain points, or something else?