Funksiyaning aniqlanish sohasi — 9-sinf Algebra test savollari

1.y = √(x² - 5x + 6) funksiyaning aniqlanish sohasini toping.

• A)x ≤ 2 yoki x ≥ 3
• B)2 ≤ x ≤ 3
• C)x ≥ 3
• D)x ≤ 2

2.$y=\frac{1}{x^2-9}$ funksiyaning aniqlanish sohasini toping.

• A)x ≠ 3 va x ≠ -3 bo'lgan barcha sonlar
• B)x ≠ 9
• C)-3 < x < 3
• D)x ≥ 3

3.y = √(9 - x²) funksiyaning aniqlanish sohasini toping.

• A)-3 ≤ x ≤ 3
• B)x ≥ 3
• C)x ≤ -3
• D)x ≠ 3, x ≠ -3

4.y = 1/√(x² - 4) funksiyaning aniqlanish sohasini toping.

• A)x < -2 yoki x > 2
• B)-2 < x < 2
• C)x ≤ -2 yoki x ≥ 2
• D)x ≠ ±2

5.y = √$\frac{x-2}{x-5}$ funksiyaning aniqlanish sohasini toping.

• A)x ≥ 2 va x ≠ 5
• B)x ≥ 2
• C)x > 5
• D)x ≠ 5

6.$y=\frac{1}{x-3}$ funksiyaning aniqlanish sohasini toping.

• A)x ≠ 3 bo'lgan barcha haqiqiy sonlar
• B)x > 3
• C)x < 3
• D)x ≥ 3

7.y = √(x+7) funksiyaning aniqlanish sohasini toping.

• A)x ≥ -7
• B)x ≤ -7
• C)x ≥ 7
• D)x ≠ -7

8.y = x² + 3x - 1 funksiyaning aniqlanish sohasi qanday?

• A)barcha haqiqiy sonlar
• B)x ≥ 0
• C)x ≠ 0
• D)x > 1

9.$y=\frac{1}{x^2}$ funksiyaning aniqlanish sohasini toping.

• A)x ≠ 0 bo'lgan barcha sonlar
• B)x > 0
• C)barcha haqiqiy sonlar
• D)x < 0

10.y = √(5-x) funksiyaning aniqlanish sohasini toping.

• A)x ≤ 5
• B)x ≥ 5
• C)x ≠ 5
• D)x < 5