Question

RESOLVA, EM R, A SEGUINTE AS INEQUAÇÕES :
Segue as imagens a baixo
POR FAVOR ME AJUDEM

Answer 1

$\Large\boxed{\begin{array}{l}\underline{\rm Resolva~em~\mathbb{R},as~seguintes~inequac_{\!\!,}\tilde oes:}\\\rm a) \ell og_3x>2\\\rm b) \ell og_4x<1\\\rm c)\ell og_{\frac{1}{2}}x\leqslant\ell og_{\frac{1}{2}}2\end{array}}$

$\Large\boxed{\begin{array}{l}\underline{\rm soluc_{\!\!,}\tilde ao:}\\\tt a)~\sf \ell og_3x>2\\\sf \ell og_3x>\ell og_39\\\sf x>9\\\sf s=\{x\in\mathbb{R}/x>9\}\\\tt b)~\sf\ell og_4x<1\\\sf \ell og_4x<\ell og_44\\\sf x<4\\\sf s=\{x\in\mathbb{R}/x<4\}\\\tt c)~\sf\ell og_{\frac{1}{2}}x\leqslant\ell og_{\frac{1}{2}}2\\\sf x\geqslant2\\\sf s=\{x\in\mathbb{R}/x\geqslant2\}\end{array}}$