Co je to definiční obor funkce?

https://www.matweb.cz/definicni-obor/

Quiz
•
Mathematics
•
10th Grade
•
Hard

Anonymous Anonymous
FREE Resource
14 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
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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