Domena funkcije

Domena funkcije

11th Grade

14 Qs

quiz-placeholder

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Domena funkcije

Domena funkcije

Assessment

Quiz

Mathematics

11th Grade

Medium

Created by

Aleksandra Kos

Used 11+ times

FREE Resource

14 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 f(x)=2x+x+3f\left(x\right)=\sqrt{2-x}+\sqrt{x+3}  

 <3,2><-3,2>  

 [3,2]\left[-3,2\right]  

 <2,3><-2,3>  

 [2,3]\left[-2,3\right]  

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 f(x)=2x29f\left(x\right)=\frac{2}{x^2-9}  

R

R \ {-3,3}

<- 3,3 >

[-3,3]

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 f(x)=log2(5x)+log2(x2)f\left(x\right)=\log_2\left(5-x\right)+\log_2\left(x-2\right)  

 <2,5><2,5>  

 [2,5]\left[2,5\right]  

 {2,5}\left\{2,5\right\}  

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 f(x)=x4x5f\left(x\right)=\frac{x-4}{\sqrt{x-5}}  

 <4,+><4,+\infty>  

 <5,+><5,+\infty>  

 <4,5><4,5>  

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

 f(x)=8+2xx2f\left(x\right)=\sqrt{8+2x-x^2}  

 <,2><4,+><-\infty,-2>\cup<4,+\infty>  

 <4,2><-4,2>  

 [2,4]\left[-2,4\right]  

 <,4><2,+><-\infty,-4>\cup<2,+\infty>  

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Domena funkcije  f(x)=x21f\left(x\right)=\sqrt{x^2-1}  je   

 RR  

 RR \ [1, 1]\left[-1,\ 1\right]  

 RR \ <1, 1><-1,\ 1>   

 \varnothing  

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Domena funkcije  f(x)=log(x23)f\left(x\right)=\log\left(x^2-3\right)  je   

 <,3><3,+><-\infty,-\sqrt{3}>\cup<\sqrt{3},+\infty>  

 <,3 ][3,+><-\infty,-\sqrt{3}\ ]\cup[\sqrt{3},+\infty>  

 [3,+>[\sqrt{3},+\infty> 

 <3,+><\sqrt{3},+\infty>  

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