помогите решить надо до завтра

[latex]1. (2) ^{x} extless 16 \ (2) ^{x} extless 2 ^{4} \ x extless 4 \ 2. (frac{1}{7} ) ^{x} extless frac{1}{49} \ (frac{1}{7} ) ^{x} extless (frac{1}{7} ) ^{2} \ x extgreater 2 \ 3. (frac{11}{12} ) ^{3x} geq ( frac{144}{121} ) ^{2x-3} \ (frac{12}{11} ) ^{-3x} geq ( frac{12}{11} ) ^{2(2x-3)} \ -3x geq 4x-6 \ x leq frac{6}{7} \ 4. 3^{2x-4} leq 27 ^{5x} \ 3^{2x-4} leq 3 ^{15x} \ 2x-4 leq 15x \ -13x leq 4 \ x geq frac{-4}{13} \ 5. (frac{1}{7} ) ^{ x^{2} -8} extless frac{1}{7} \ x^{2} -9 extgreater 0, \ x extless -3, x extgreater 3[/latex]