Question

Решите неравенство: 3^(х-3) + (3х/3)<10

Answer 1

$3^{x-3}+ frac{3^x}{3} textless 10; \ frac{3^x}{3^3}+ frac{3^x}{3} textless 10; \ frac{3^x+9*3^x-270}{27} textless 0; \ 3^x+9*3^x-270 textless 0; \ 10*3^x textless 270; \ 10*3^x textless 10*3^3; \ 3^x textless 3^3; \ x textless 3.$
Ответ: (-∞;3).