Tengsizliklar

Question 1

Chizmada $f(x)$ va $g(x)$ funksiyalarning grafiklari tasvirlangan. Chizmada berilgan ma’lumotlardan foydalanib $f(x)\cdot g(x)<0$ tengsizlikni yeching.

Accepted Answer

$(-5;2)$

Answer

$(-\infty;-5)$

Answer

$(-\infty;-2)$

Answer

$(2;5)$

Question 2

$\frac{5x+3}{x^2+x-2}>1$ tengsizlikning barcha butun yechimlari yig‘indisini toping.

Accepted Answer

9

Answer

10

Answer

15

Answer

14

Question 3

$\sqrt{x+18}<2-x$ tengsizlikni yeching.

Accepted Answer

$[-18;-2)$

Answer

$(-18;-1)$

Answer

$(-18;2)$

Answer

$[-18;+\infty)$

Question 4

$\left|\frac{5}{2x-6}\right|>\frac{7}{9}$ tengsizlikni yeching.

Accepted Answer

$(-\frac{3}{14}; 3) \cup (3; 6\frac{3}{14})$

Answer

$(-\infty; -\frac{3}{14}) \cup (6\frac{3}{14}; +\infty)$

Answer

$(-\frac{3}{14}; 6\frac{3}{14})$

Answer

$(-\frac{3}{14}; 0) \cup (0; 6\frac{3}{14})$

Question 5

Agar $a, b, c$ musbat haqiqiy sonlar uchun $ab=14$ va $bc=6$ bo‘lsa, $a+2b+3c$ yig‘indining eng kichik qiymatini toping.

Accepted Answer

16

Answer

18

Answer

20

Answer

34

Tengsizliklar

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