\[f(x) = \frac{1}{3}x^{3} - \frac{1}{2}x^{2} + 3x.\]
\[= x^{2} - x + 3.\]
\[2)\ x = 0,1:\]
\[f^{'}(0,1) = 0,01 - 0,1 + 3 = 2,91.\]
\[Ответ:\ \ f^{'}(x) = x^{2} - x + 3;\ \]
\[\text{\ \ \ \ \ \ \ \ \ \ \ \ \ \ }f^{'}(0,1) = 2,91.\]