Question

Função Exponencial - Prazo domingo​

Answer 1

$\sf\: 0.4 {}^{x} < 0.4 {}^{ \frac{x -3}{2} } \\ \\ \\\sf\: x > \frac{x - 3}{2} \\ \\ \\ \sf\: 2x > 2 \cdot \frac{x - 3}{2} \\ \\ \\ \sf\: 2x > x - 3 \\ \\ \\ \sf\: 2x - x > - 3 \\ \\ \\ \boxed{\sf x > - 3}$

Att: Nerd1990