Logic and sets

1003034304

Level:

Given the sets

A = (- \infty; - 5]

B = [- 5; 0)

and

C = (- 7; - 1)

, find

A ∖ (B \cap C)

(- \infty; - 5)

(- \infty; - 5]

[- 5; - 1)

(- \infty; 0)

1003034305

Level:

Let

A = (- \infty; - 4) \cup (2; + \infty)

and

B = [2; 8)

. Give the intersection

A^{'} \cap B

{2}

\emptyset

(2; 8)

[2; 8)

1003034306

Level:

Choose another correct description of the set

A = (- 3; 6) \cap (- 2; + \infty) \cap Z

A = {- 1; 0; 1; 2; 3; 4; 5}

A = {- 2, - 1; 0; 1; 2; 3; 4; 5}

A = {0; 1; 2; 3; 4; 5}

A = (- 2; 6)

1003034307

Level:

Choose the correct description of the set

X = (22; 31) \cap N

It is a set with eight elements.

It is a set with ten elements.

It is an open interval.

It is a set of all natural numbers.

1003034308

Level:

Choose the correct description of the set

X = [- 10; 100] \cap Z

It is a finite set.

It is a closed interval.

It is a set with

110

elements.

It is a set with even number of elements.

1003034309

Level:

Choose another correct description of the set

X = (2; 14) \cap {2; 4; 6; 8; 10; 12; 14}

X = {4; 6; 8; 10; 12}

X = {2; 4; 6; 8; 10; 12; 14}

X = (2; 14)

X = [2; 14]

1003034310

Level:

Find the union

A^{'} \cup B

for

A = (- 1; 7)

and

B = [- 3; + \infty)

R

[- 3; + \infty)

[- 3; - 1] \cup [7; + \infty)

(- 3; - 1) \cup (7; + \infty)

1003034311

Level:

Find the set difference

A^{'} ∖ B^{'}

for

A = (- 1; 2]

and

B = [- 3; 4)

[- 3; - 1] \cup (2; 4)

[- 3; - 1] \cup [2; 4]

(- 3; - 1) \cup [2; 4]

(- 3; - 1] \cup (2; 4]

1003034312

Level:

Choose another correct description of the set

A = ((- 3; 8) ∖ [5; 9)) \cap N

A = {1; 2; 3; 4}

A = {- 3; - 2; - 1; 0; 1; 2; 3; 4}

A = {0; 1; 2; 3; 4; 5}

A = {1; 2; 3; 4; 5}

1003034313

Level:

Find the set

(B ∖ A) \cap C

for

A = (- 10; 2]

B = [- 2; 8)

and

C = (0; 4]

(2; 4]

(- 10; 0]

[0; 4]

(8; 4]

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