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