03 - Intervalos Reais - Exercicios

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Exercícios: Intervalos reais Determine os seguintes conjuntos:

6. [1, 2] ∩ [0, 3] ∩ [−1, 4] =

1. [2, 0] ∩ [1, 3] =

7. [−1, 3] ∪ [0, 4] =

2. [2, 0] ∩ ]1, 3[ =

8. ]−2, 1] ∪ ]0, 5[ =

3. 2 4 ]−1, [ ∩ ]0, [ = 5 3 9.

[−1, 3] ∪ [3, 5] = 4. ]−∞, 2] ∩ [0, +∞[ = 10. 1 3 1 [− , 0[ ∪ ]− , − ] = 2 2 4

5. 9 [−1, +∞[ ∩ [− , 2[ = 2

GABARITO: 1. 2.

[1, 2] ]1, 2]

2

3.

]0, [

4. 5. 6.

[0, 2] [−1, 2[ [1,2]

5

1

7. 8. 9.

[−1, 4] ]−2, 5[ [−1, 5]

10.

]− , 0[

3 2