# Algebra II Conjunctions & Disjunctions?

Alright, so I'm a little confused by all of this. The teacher rushed through this so I didn't follow hardly any of it.
I know you have conjunctions and disjunctions and conjunctions are like "and" and disjunctions are like "or". Conjunctions need both sides of the inverted...
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Alright, so I'm a little confused by all of this. The teacher rushed through this so I didn't follow hardly any of it.

I know you have conjunctions and disjunctions and conjunctions are like "and" and disjunctions are like "or". Conjunctions need both sides of the inverted "V" to be true. Disjunctions only need 1.

So my instructions are as follows: Find the solution set of the following. Write your answers using interval notation when applicable. Otherwise, use set notation.

I'm going to provide different types of questions so that someone can explain each type.

1. {1, 2, 3, 4, 5} V {3, 6, 8, 11} --> Not sure

3. {even integers} V {odd integers} --> Not sure

6. {rationals} V {irrationals} --> Not sure

7. x <= 10 and x > 4 --> I got: (4, 10]

8. x > 14 or x >= 0 --> I got: [0,infinity)

9. x <= 12 and x >= 14 --> I got: (-infinity, 12] [14, infinity)

17. (-infinity, 3) V [-1, infinity) --> I got: x < 3 V x >= -1

21. [7,10) /\ (9,20] --> Not sure

23. ((3,7) /\ (1,5)) V [1,11) --> Really not sure

I know you have conjunctions and disjunctions and conjunctions are like "and" and disjunctions are like "or". Conjunctions need both sides of the inverted "V" to be true. Disjunctions only need 1.

So my instructions are as follows: Find the solution set of the following. Write your answers using interval notation when applicable. Otherwise, use set notation.

I'm going to provide different types of questions so that someone can explain each type.

1. {1, 2, 3, 4, 5} V {3, 6, 8, 11} --> Not sure

3. {even integers} V {odd integers} --> Not sure

6. {rationals} V {irrationals} --> Not sure

7. x <= 10 and x > 4 --> I got: (4, 10]

8. x > 14 or x >= 0 --> I got: [0,infinity)

9. x <= 12 and x >= 14 --> I got: (-infinity, 12] [14, infinity)

17. (-infinity, 3) V [-1, infinity) --> I got: x < 3 V x >= -1

21. [7,10) /\ (9,20] --> Not sure

23. ((3,7) /\ (1,5)) V [1,11) --> Really not sure

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