(|x|-2)) ^ -степень sqrt -корень квадратный |

July 2022 2 36 Report

помогите с решением: найти область определения функции:
1) y=5^(1/x)
2) y=7^sqrt(x-1)
3) y=0.8^(1 /(|x|-2))

^ -степень
sqrt -корень квадратный
| | -модуль

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Verified answer

$1)\; \; y=5^{\frac{1}{x}}\; ,\\\\OOF:\; x\ne 0\\\\x\in (-\infty ,0)\cup (0,+\infty )\\\\2)\; \; y=7^{\sqrt{x-1}}\; ,\\\\OOF:\; \; x-1 \geq 0,\; \; x \geq 1\\\\x\in [\, 1,+\infty )\\\\3)\; \; y=0,8^{\frac{1}{|x|-2}}\\\\OOF:\; \; |x|-2\ne 0\; ,\; \; |x|\ne 2\; ,\; \; x\ne \pm 2\\\\x\in (-\infty ,-2)\cup (-2,2)\cup (2,+\infty )$

0 votes Thanks 1

джек005 1) y=5^(1/x)
2) y=7^sqrt(x-1)
3) y=0.8^(1 /(|x|-2))

0 votes Thanks 0

Answers & Comments

Verified answer

(sqrt(19x -x^2 -78)) =< 0...

sqrt oboznachaet koren pomogite pozhalujsta reshit irracionalnoe neravenstvo

pomogite pozhalujsta hotya by uprostit4x24x2yy2 4

pomogite pozhalujsta s resheniem pri kakih znacheniyah a uravnenie 2 4 5ax 3 a

4ad najdite ploshad chetyrehugolnika ancm esli ploshad abcd ravnv 1 kvsm

x gde 6 lt xlt 1 zhyx 2 gde 4 x 4 z yx3 modul

ochen proshu pomoshiiii pryamougolnik abcd i pryamougolnyj treugolnik dcp lezhat

2^(1-x) < 8^x...

vypisano tri posledovatelnyh chlena vozrastayushej geometricheskoj progressii3b4

(27^2+22713+13^2)...

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Answers & Comments

Verified answer

(sqrt(19x -x^2 -78)) =< 0...

sqrt oboznachaet koren pomogite pozhalujsta reshit irracionalnoe neravenstvo

pomogite pozhalujsta hotya by uprostit4x24x2yy2 4

pomogite pozhalujsta s resheniem pri kakih znacheniyah a uravnenie 2 4 5ax 3 a

4ad najdite ploshad chetyrehugolnika ancm esli ploshad abcd ravnv 1 kvsm

x gde 6 lt xlt 1 zhyx 2 gde 4 x 4 z yx3 modul

ochen proshu pomoshiiii pryamougolnik abcd i pryamougolnyj treugolnik dcp lezhat

2^(1-x) < 8^x...

vypisano tri posledovatelnyh chlena vozrastayushej geometricheskoj progressii3b4

(27^2+2*27*13+13^2)...

рекомендуемые вопросы

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(27^2+22713+13^2)...