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

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

10th Grade

10 Qs

quiz-placeholder

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

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

Assessment

Quiz

Mathematics

10th Grade

Practice Problem

Hard

Created by

Anonymous Anonymous

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Co je to definiční obor funkce?

Množina všech hodnot, které jsou kladné

Množina všech hodnot, které funkce nikdy nebere

Množina všech hodnot, které jsou záporné

Množina všech hodnot, které můžeme dosadit za argument x

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Jaký je definiční obor funkce f(x) = 1/x?

(0, ∞)

ℝ ∖ {0}

(-∞, 0)

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Jaký je definiční obor logaritmické funkce?

ℝ ∖ {0}

(0, ∞)

(-∞, 0)

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Jaký je definiční obor funkce f(x) = √(2x + 8)?

(-4, ∞)

(-∞, -4)

(0, ∞)

(-2/3, ∞)

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Jaký je definiční obor funkce f(x) = 1/x²?

ℝ ∖ {0}

(-∞, 0)

(0, ∞)

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Jaký je definiční obor funkce f(x) = sin(x)?

(0, 1)

(-1, 1)

(-∞, ∞)

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Jaký je definiční obor funkce f(x) = tan(x)?

(-∞, ∞)

(0, π)

ℝ ∖ {π/2 + Kπ; K ∈ ℤ}

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