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určování definičního oboru různých funkcí+určení def oboru

Authored by Anonymous Anonymous

Mathematics

10th Grade

určování definičního oboru různých funkcí+určení def oboru
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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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