- $F\left( x \right) = \frac{1}{2}\ln \left| {3 - 2x} \right| - 1$
- $F\left( x \right) = - \ln \left( {3 - 2x} \right)$
- $F\left( x \right) = \frac{{{{\ln }^2}\left( {3 - 2x} \right)}}{4} + 1$
- $F\left( x \right) = - \frac{1}{2}\ln \left| {3 - 2x} \right| + \frac{1}{2}$