Предмет: Алгебра, автор: Katashisfist

помогите, пожалуйста) Log1/4 x/5 больше 1

Ответы

Автор ответа: kalbim

5

Т.к. основание логарифма меньше 1, значит подлогарифмические выражения сравниваются с противоположным знаком:
$\frac{x}{5}\ \textless \ \frac{1}{4}$
$x\ \textless \ \frac{5}{4}$

ОДЗ: x>0

$0\ \textless \ x\ \textless \ 1.25$ - ответ

Предыдущий вопрос

Следующий вопрос

Похожие вопросы

Предмет: Английский язык, автор: Illlusha

ПОМОГИТЕ СРОЧНО!!!!!

For questions 1-12, read the text and decide which answer (A, B, C or D) best fits each gap.
There is an example at the beginning (0).

The Best of Britain
It's time for the 'Planetsong Music Competition' again. Several British hopefuls are working hard (0) .............................. the finals in Brussels in the hope of (1) .............................. the contest for their country.
Like the other contestants, Marcus Inman is excited to have an (2) .............................. to represent his nation. He says that it's every boy's dream to perform for his country at the (3) .............................. level. Marcus adds that he believes the contest is the most important music event of the year and that he feels he has a (4) .............................. to do his very best for the UK. Marcus isn't a newcomer to the music business, though. He was (5) .............................. the lead singer of the noted heavy rock band, 'The Fortress'. His band's first album sold hundreds of thousands of copies and as a (6) ......................... their first single, 'Missing a Piece of the Puzzle" (7) .............................. number one in the music charts. After his huge achievement, Marcus (8) .............................. his mind to take a short break from recording songs. However, he assures everyone that his new 'PlanetSong' ballad means he's well and truly back! He says that he is hoping that the judges will like his unique singing (9) .............................. as much as the Brits do. Whatever happens, though, he has (10) .............................. a promise that he will not (11) ............................. even if he is unsuccessful this time around. We've got our fingers (12) ....................... for you, Marcus!

0 a head of
1 A gaining B earning C winning D beating
2 A appointment B opportunity C option D occasion
3 A highest B steepest C tallest D biggest
4 A service B duty C job D task
5 A lately B recently C currently D previously
6 A reason B cause C reaction D result
7 A took B reached C arrived · D grabbed
8 A made up B put down C set out D got on
9 A way B kind C style D pattern
10 A taken B given C made D said
11 A give up B hold back C get out D fall away
12 A stretched B raised C folded D crossed

1 год назад

Предмет: Русский язык, автор: chugunova061

Сочинение-рассуждение на тему: Какой я хотел бы оставить след на земле?

1 год назад

Предмет: Русский язык, автор: popDias1111111111111

помогите мне осталось 40 мин вопросы снизу

1 год назад

Предмет: История, автор: Yulya5828

Таблица первобытный мир. Тип человека, основные занятия, основные орудия труда

7 лет назад

Предмет: Биология, автор: ilmirnagimov

как раньше перенимали едавитое в древности?

7 лет назад