\[3x + 1\]
\[x = 0:\]
\[3 \cdot 0 + 1 = 0 + 1 = 1.\]
\[x = - 2\frac{1}{3}:\]
\[3 \cdot \left( - 2\frac{1}{3} \right) + 1 = 3 \cdot \left( - \frac{7}{3} \right) + 1 =\]
\[= - \frac{3 \cdot 7}{3} + 1 = - 7 + 1 = - 6.\]
\[Значение\ выражения\ \]
\[больше\ при\ x = 0.\]