\[\begin{gathered}

l = \mathop {\lim }\limits_{x \to x^\circ } f(x) \hfill \\

l = f(x^\circ ) \hfill \\

l = f(x^\circ ) = (3 - 2xo) \hfill \\

l = f(x^\circ ) = 3 - 6 \hfill \\

l = f(x^\circ ) = - 3 \hfill \\

|f(x) - l| < 6 \hfill \\

|3 - 2x + 3| < 0.002 \hfill \\

|3 - 2x - ( - 3)| < 0.02 \hfill \\

|3 - 2x + 3| < 0.02 \hfill \\

|6 - 2x| < 0.02 \hfill \\

- 0.02 < |6 - 2x| < 0.02 \hfill \\

3.01 < x < 2.99 \hfill \\

\partial = ? \hfill \\

0 < |x - x^\circ | < \partial \hfill \\

|x - x^\circ | < \partial \hfill \\

- \partial < |x - 3| < \partial \hfill \\

- \partial + 3 < |x| < \partial + 3 \hfill \\

- \partial + 3 = 2.99 \hfill \\

\end{gathered} \]