\[\mathrm{f}\left({x}\right) =\frac{7\,\min \left {x}i \right}{x}+ 3\,\left( 1-\frac{\left| {x}-\bar{x}\right| }{\bar{x}}\right) \Rightarrow \exists \Omega / \left {x} \in \Omega \wedge {y} \in \Omega \right \wedge {x} < {y} \wedge {f}\left( {x}\right) > {f}\left( {y}\right)\]