Question

Os valores permitidos para x são:​

Answer 1

Explicação passo-a-passo:

OI, TUDO JÓIA? ツ

${ \color{salmon}{\bf{\Large{{ {2}^{x - 1} \leqslant 128} }}}}$

${ \color{salmon}{\bf{\Large{{ {2}^{x - 1} \leqslant {2}^{7} } }}}}$

${ \color{salmon}{\bf{\Large{{x - 1 \leqslant 7} }}}}$

${ \color{salmon}{\bf{\Large{{x \leqslant 7 + 1} }}}}$

${ \color{salmon}{\bf{\Large{{\boxed{x \leqslant 8}} }}}}$

$\color{plum}\text{{ \boxed{{\mathbb{ATT: ARMANDO}}}}}$