TeX Quellcode:

\begin{array}{rclll} f(-2) &=&\dfrac{1}{24}\cdot(-2)^3-\dfrac{1}{8}\cdot(-2)^2-(-2) &=& \dfrac{7}{6} \cr\cr f(4) &=&\dfrac{1}{24}\cdot 4^3-\dfrac{1}{8}\cdot4^2-4 &=& -\dfrac{10}{3} \end{array}