
https://www.matweb.cz/definicni-obor/
Quiz
•
Mathematics
•
10th Grade
•
Practice Problem
•
Hard
Anonymous Anonymous
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14 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Co je to definiční obor funkce?
Množina všech hodnot, které můžeme dosadit za argument funkce
Množina všech hodnot, které funkce může vrátit
Množina všech reálných čísel
Množina všech záporných čísel
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jaký je definiční obor funkce f(x) = 1/x?
(0, ∞)
ℝ ∖ {0}
(-∞, 0) ∪ (0, ∞)
ℝ
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jaký je definiční obor logaritmické funkce?
ℝ
(-∞, 0)
ℝ ∖ {0}
(0, ∞)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jaký je definiční obor funkce f(x) = √(2x + 8)?
(-4, ∞)
(0, ∞)
(-∞, -4)
(-4, 0)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jaký je definiční obor funkce f(x) = 1/x²?
ℝ ∖ {0}
(-∞, ∞)
(-∞, 0) ∪ (0, ∞)
(0, ∞)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jaký je definiční obor funkce tangens?
ℝ ∖ {π/2 + Kπ; K ∈ ℤ}
ℝ
(-∞, ∞)
(0, π)
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jaký je definiční obor funkce kotangens?
(-∞, 0)
(0, ∞)
ℝ
ℝ ∖ {Kπ; K ∈ ℤ}
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