
Definiční obory funkcí
Quiz
•
Mathematics
•
10th Grade
•
Hard
Anonymous Anonymous
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Určete definiční obor funkce f(x) = 1/x.
(-∞, 0) ∪ (0, ∞)
(0, ∞)
(-∞, ∞)
(-∞, 0)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jaký je definiční obor funkce f(x) = log(x)?
(0, 1)
[0, +∞)
(-∞, 0)
(0, +∞)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Určete definiční obor funkce f(x) = √(x-4).
(−∞, 4)
[0, 4)
(4, 5)
[4, ∞)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jaký je definiční obor funkce f(x) = sin(x)?
Definiční obor funkce f(x) = sin(x) je {0} (nula).
Definiční obor funkce f(x) = sin(x) je R (všechna reálná čísla).
Definiční obor funkce f(x) = sin(x) je R+ (kladná reálná čísla).
Definiční obor funkce f(x) = sin(x) je {1, 2, 3} (omezená čísla).
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Určete definiční obor funkce f(x) = cos(x).
Definiční obor je {1, 2, 3} (omezená množina).
Definiční obor je R (všechna reálná čísla).
Definiční obor je R+ (kladná reálná čísla).
Definiční obor je {0} (nula).
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jaký je definiční obor funkce f(x) = tan(x)?
Definiční obor je R \ {(2n + 1)π/2 | n ∈ Z}
R \ {0}
R \ {\frac{\pi}{4} + n\pi | n \in Z}
R \ {n\pi | n \in Z}
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Určete definiční obor funkce f(x) = 1/(x^2 - 1).
R = (-∞, 1) ∪ (1, ∞)
R = (-∞, -1) ∪ (-1, 1) ∪ (1, ∞)
R = (-1, 1)
R = (-∞, -1) ∪ (1, ∞)
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