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Eksponecijalna funkcija

Authored by Maja Kostadinović

Mathematics

2nd Grade

Used 6+ times

Eksponecijalna funkcija
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10 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Data je eksponecijalna funkcija

 f(x)=(23)xf\left(x\right)=\left(\frac{2}{3}\right)^x  . Poređaj po veličini brojeve
 a=f(11),  b=f(0,5),  c=f(1),  d=f(0)a=f\left(11\right),\ \ b=f\left(0,5\right),\ \ c=f\left(-1\right),\ \ d=f\left(0\right)  

 a<b<c<da<b<c<d  

 b<a<d<cb<a<d<c  

 a<b<d<ca<b<d<c  

 c<d<a<bc<d<a<b  

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Na slici je prikazan grafik f-je  f(x)=ax+bf\left(x\right)=a^{x^{ }}+b  . Za  f-ju važi:


 0<a<1, b>00<a<1,\ b>0  

 a>1, b>0a>1,\ b>0  

 a<0, b<0a<0,\ b<0  

 a>1, b<0a>1,\ b<0  

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Za 1<x<1-1<x<1  sve vrednosti f-je  f(x)=(0,5)xf\left(x\right)=\left(0,5\right)^x  pripadaju intervalu

 (,12)\left(-\infty,\frac{1}{2}\right)  

 (2,+)\left(2,+\infty\right)  

 (12,2)\left(\frac{1}{2},2\right)  

 (1,2)\left(1,2\right)  

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Koja f-ja opisuje dati grafik?

1)

2)

3)

4)

5.

MULTIPLE SELECT QUESTION

45 sec • 1 pt

Dati su brojevi  A=(34)23, B=(43)16A=\left(\frac{3}{4}\right)^{\frac{2}{3}},\ B=\left(\frac{4}{3}\right)^{\frac{1}{6}} 

 C=(35)27C=\left(\frac{3}{5}\right)^{-\frac{2}{7}}  ,  D=(52)25D=\left(\frac{5}{2}\right)^{-\frac{2}{5}}  . 

Koji od njih su veći od 1?

A

B

C

D

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Koji grafik opisuje dati f-ju?

1)

2)

3)

4)

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Broj rešenja jednačine  2x=1x22^x=1-x^2  jednak je 


0

1

2

3

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