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Racionalne funkcije

Authored by Tjaša Stepančič

Mathematics

11th Grade

Used 12+ times

Racionalne funkcije
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17 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Definicijsko območje funkcije f(x)=x2x24f\left(x\right)=\frac{x^2}{x^2-4}  je

 R{2, 2}R-\left\{-2,\ 2\right\}  

 RR  

 R{4}R-\left\{4\right\}  

 R{2}R-\left\{2\right\}  

2.

FILL IN THE BLANKS QUESTION

20 sec • 1 pt

Funkcija

 f(x)=x24x2+2f\left(x\right)=\frac{x^2-4}{x^2+2}  ima začetno vrednost



(a)  

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Funkcija

 f(x)=2xx1f\left(x\right)=\frac{2x}{x-1}  ima asimptoti

 x=2x=2  in  x=1x=1  

 y=2y=2  in  x=1x=1  

 x=0x=0  in  y=2y=2  

 x=2x=2  in  y=1y=1  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Izberi predpis funkcije na sliki

f(x)=2x+2x+1f\left(x\right)=\frac{2x+2}{x+1}

f(x)=2xx+1f\left(x\right)=\frac{2x}{x+1}

f(x)=2x1x1f\left(x\right)=\frac{2x-1}{x-1}

f(x)=2x+1x+1f\left(x\right)=\frac{2x+1}{x+1}

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Funkcija

 f(x)=x26x+9x24f\left(x\right)=\frac{x^2-6x+9}{x^2-4}  spremeni predznak

enkrat

dvakrat

trikrat

štirikrat

nikoli

6.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Označi vse zvezne funkcije:

f(x)=1xf\left(x\right)=\frac{1}{x}

f(x)=x232f\left(x\right)=\frac{x^2-3}{2}

f(x)=x4x2+4f\left(x\right)=\frac{x-4}{x^2+4}

f(x)=(x3)2x1f\left(x\right)=\frac{\left(x-3\right)^2}{x-1}

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Funkcija

 f(x)=xx2+1f\left(x\right)=\frac{x}{x^2+1}  je

omejena

neomejena

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