Question

(⁹/₄)ˣ≤⁸/₂₇ решите неравенство

Answer 1

$Big ( frac{9}{4}Big )^{x} leq frac{8}{27} \\ Big (frac{3}{2} Big )^{2x} leq Big (frac{3}{2}Big )^{-3} \\2x leq -3\\x leq -1,5\\xin (-infty ;; -1,5, ]$