242 под цифрой 3 и 243 под цифрами 1 и 3

242 (3) 3ˣ⁻³<2ˣ⁻³ (3/2)ˣ⁻³<1 (3/2)ˣ⁻³<(3/2)⁰ x-3<0 x<3 О т в е т. (-∞;3) 243(1) 3ˣ>9 ⇒  3ˣ>3²⇒  x>2 x-2≤6 ⇒  x≤8 ____(2) //////////[8] \\\\\\\\\\\\\\\\\\\\\\\\ О т в е т. (2;8] 243(3) (1/2)ˣ ≤8⁻¹⇒ (1/2)ˣ ≤(1/8) ⇒(1/2)ˣ ≤(1/2)³ ⇒x≥3  4x-3 > 1⇒  4x>4 ⇒  x>1 ____ (1)  ___ [3]////////////////            \\\\\\\\\\\\\\\\\\\\\\\\\\\ О т в е т. [3;+∞)