
Definiční obory funkcí
Authored by Anonymous Anonymous
Mathematics
10th Grade

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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Určete definiční obor funkce f(x) = log(x).
(-∞, 0)
[0, +∞)
(-∞, +∞)
(0, +∞)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jaký je definiční obor funkce g(x) = 1/(x-3)?
R \ {0}
R
R \ {3}
R \ {3, 5}
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Najděte definiční obor funkce h(x) = √(x+4).
(-∞, -4)
[-4, ∞)
[0, ∞)
(-4, 0)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jaký je definiční obor funkce k(x) = log(2x-1)?
(1/2, ∞)
(1, 2)
(0, 1/2)
(1/2, 1)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Určete definiční obor funkce m(x) = 1/(x^2 - 4).
Definiční obor je R \ {2, -2}.
Definiční obor je R \ {0}.
Definiční obor je R \ {3, -3}.
Definiční obor je R \ {1, -1}.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jaký je definiční obor funkce n(x) = √(x^2 - 9)?
[3, 9)
(-∞, 3]
(-∞, -3] ∪ [3, ∞)
(-3, 3)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Najděte definiční obor funkce p(x) = log(x^2 - 1).
(-1, 1)
(-∞, -1) ∪ (-1, 1)
(-∞, 1) ∪ (1, ∞)
(-∞, -1) ∪ (1, ∞)
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