\[f(x) = \frac{3x + 19}{2}\]
\[x_{2} = x_{1} + \mathrm{\Delta}\ \ \ (\mathrm{\Delta} \geq 0) \Longrightarrow x_{2} > x_{1}\]
\[f\left( x_{2} \right) - f\left( x_{1} \right) \geq 0\]
\[f\left( x_{2} \right) - f\left( x_{1} \right) = \frac{3\mathrm{\Delta}}{2} \geq 0\]
\[Так\ как\ функция\ монотонно\ \]
\[возрастает,\ то\ \text{\ \ }\]
\[f\left( - \sqrt{3} \right) < f\left( - \sqrt{2} \right) \Longrightarrow\]
\[\Longrightarrow потому\ что\ \ \ - \sqrt{3} < - \sqrt{2}.\]