Let A = {x ∈ R : 11x - 5 > 7x + 3} and B = {x ∈ R : 8x - 9 ≥ 15 + 2x}. Find A ∩ B and represent it on the number line.

Which of the following is not a linear inequation?

1. 3x - 8 > 5 + 2x

2. $\dfrac{5}{2}x - 3 \le \dfrac{9}{4}x + 12$

3. $4x - \dfrac{7}{3} \ge 13x + 8$

4. $6x + 13 \lt \dfrac{4}{x} - 3$

Which of the following is not a general form of a linear inequation?

1. ax + b > c

2. $\dfrac{a}{x}$ + b ≥ c

3. ax + b ≤ c

4. ax² + b < c

Which of the following is reducible to a linear inequation?

1. 7 - x² ≤ 5x + 3

2. $\dfrac{3}{x} - 8 \gt 4$

3. $4 - \dfrac{2}{x} \ge \dfrac{1}{x^2} - 6$

4. $11 - x \le 5x ^ 2 + 6$