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