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Logaritamska funkcija - ponavljanje

Authored by Ines Kladušić

Mathematics

11th Grade

Used 6+ times

Logaritamska funkcija - ponavljanje
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13 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

1 min • 1 pt

Označi svojstva logaritamske funkcije.

funkcija je definirana na skupu R

vrijednosti funkcije nalaze se u cijelom skupu R

sve funkcije s bazom većom od 0, a manjom od 1 su padajuće

asimptota je os apscisa

2.

MULTIPLE SELECT QUESTION

5 mins • 1 pt

Koje su od navedenih jednakosti točne?

log⁡73+log⁡74 =log⁡77\log_73+\log_74\ =\log_77  

log⁡381=4\log_381=4  

log⁡55=1\log_55=1  

log⁡71+log⁡72=log⁡7​2\log_71+\log_72=\log_7​2  

log⁡1=1\log1=1  

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Jednakost ln⁡ 3 = 1.0986\ln\ 3\ =\ 1.0986 ekvivalentna je jednakosti   31.0986= e3^{1.0986}=\ e .

Da

Ne

Nisam siguran/sigurna

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Zapiši jednakost u obliku logaritma: 232= 222^{\frac{3}{2}}=\ 2\sqrt{2} .   

log⁡222=32\log_22\sqrt{2}=\frac{3}{2}  

log⁡3222=2\log_{\frac{3}{2}}2\sqrt{2}=2  

log⁡222=32\log_{2\sqrt{2}}2=\frac{3}{2}  

log⁡232=2 2\log_2\frac{3}{2}=2\ \sqrt[]{2}  

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

log⁡a10=y\log_a10=y jednak je izrazu

ay=10a^y=10  

10y=a10^y=a  

ya=10y^a=10  

a10=ya^{10}=y  

6.

FILL IN THE BLANKS QUESTION

3 mins • 1 pt

Ako je logaritam po bazi x od 16 jednako 4, koliko je x?

(a)  

7.

FILL IN THE BLANKS QUESTION

1 min • 1 pt

Broj 1 zapisan pomoću logaritma jednak je log⁡4y\log_4y gdje je yy   jednak:

(a)  

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