
určování definičního oboru různých funkcí+určení def oboru
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) = 1/(x-3).
R = (-∞, 3]
R = [3, +∞)
R = (-∞, 3) ∪ (3, +∞)
R = (3, +∞)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jaký je definiční obor funkce g(x) = √(x+4)?
[0, ∞)
[-4, ∞)
(-4, 4)
(-∞, -4)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Určete definiční obor funkce h(x) = ln(x-2).
(1, 2)
(2, 5)
(0, 2)
(2, ∞)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jaký je definiční obor funkce k(x) = x^2 - 5x + 6?
R+
R
R-
(0, 5)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Určete definiční obor funkce m(x) = 1/(x^2 - 1).
R = (-1, 1)
R = (-∞, -1) ∪ (1, ∞)
R = (-∞, 1) ∪ (1, ∞)
R = (-∞, -1) ∪ (-1, 1) ∪ (1, ∞)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jaký je definiční obor funkce n(x) = √(x^2 - 9)?
[3, ∞)
(-∞, -3] ∪ [3, ∞)
(-∞, 3]
(-3, 3)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Určete definiční obor funkce p(x) = 3/(x^2 + 2x + 1).
(-∞, -1) ∪ (-1, ∞)
(-∞, 1) ∪ (1, ∞)
(-∞, -2) ∪ (-2, ∞)
(-1, 1)
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