FUNKCIJE-ČETVRTACI

FUNKCIJE-ČETVRTACI

12th Grade

10 Qs

quiz-placeholder

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FUNKCIJE-ČETVRTACI

FUNKCIJE-ČETVRTACI

Assessment

Quiz

Mathematics

12th Grade

Hard

Created by

Slađana Ćirica

Used 5+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Funkcija  f(x)=1x2+xf\left(x\right)=\sqrt{1-x}-\sqrt{2+x}  je definisana za svako x iz skupa

 (,2)\left(-\infty,-2\right)  

 (1,+)\left(1,+\infty\right)  

 [2,1]\left[-2,1\right]  

 (3,0)\left(-3,0\right)  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Funkcija f(x)=3xx2x2+1f\left(x\right)=\frac{3x-x^2}{x^2+1}  

nije definisana za x=1

nije definisana za x= -1

nikad nije definisana

uvek je definasana u skupu R

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

 f(x)=(3x1)xx+1f\left(x\right)=\frac{\left(3x-1\right)x}{x+1}  ima nule za x iz intervala

 (5,4)\left(-5,-4\right)  

 (2,1)\left(-2,-1\right)  

 (1,3)\left(1,3\right)  

 [0,1)\left[0,1\right)  

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Funkcija  f(x)=4xx2f\left(x\right)=\sqrt{4x-x^2}  definisana je za svako x iz skupa

 (0,5)\left(0,5\right)  

 (5,0)\left(-5,0\right)  

 [0,4]\left[0,4\right]  

 [2,2]\left[-2,2\right]  

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Funkcija f(x)=2xx21f\left(x\right)=\frac{2x}{x^2-1}  nije defisana za

 x[1,1]x\in\left[-1,1\right]  

 x=±1x=\pm1  

 x(1,1)x\in\left(-1,1\right)  

 x(0,1)x\in\left(0,1\right)  

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Funkcija f(x)=5x2+13xf\left(x\right)=\sqrt{\frac{5x^2+1}{3-x}}  je definisana za svako

 x>3x>3  

 x<3x<3  

 x>3x>-3  

 x>0x>0  

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Funkcija f(x)=x(x24)x+5f\left(x\right)=\frac{x\cdot\left(x^2-4\right)}{x+5}  ima proizvod nula

4

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