Предмет: Алгебра, автор: kabakovanatasa75

Решите неравенство
7 сверху 4х+5 <7 сверху 9-5х

Ответы

Автор ответа: syzranbatkovna
0

Ответ:

чем больше степень тем больше число, что бы неравенство было верным нужно:

4х+5<9-5х

9х<4

х<4/9

Автор ответа: NNNLLL54
0

Ответ:

7^{4x+5}&lt;7^{9-5x}\\\\a=7&gt;1\ \ \ \Rightarrow \ \ \ 4x+5&lt;9-5x\ \ ,\ \ 4x+5x&lt;9-5\ \ ,\ \ 9x&lt;4\ \ ,\\\\x&lt;\dfrac{4}{9}\\\\x\in \Big(-\infty \ ;\ \dfrac{4}{9}\ \Big)


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