Which of the following is the correct graphical representation of {x : -4 < x ≤ 2, x ∈ R} on the number line?

1.

2.

3.

4.

The solution set of 4x - 3 ≤ 5, where x ∈ N, is :

1. {1}

2. {1, 2}

3. {0, 1, 3}

4. none of these

The solution set of 4x - 9 ≥ 7, where x ∈ {1, 2, 3, 4, 5, 6, 7, 8}, is :

1. {1, 2, 3, 4}

2. {4, 5, 6, 7, 8}

3. {1, 2, 3}

4. {5, 6, 7, 8}

Find the values of x in the inequation 3x - 2 > 9x - 16, where x ∈ I.

1. {-2, -1, 0, 1, 2}

2. {2, 3, 4, 5, ……}

3. {……, -2, -1, 0, 1, 2}

4. {……, -2, -1, 0, 1, 2, 3}