Mathematics WAEC / WASSCE 1990 Inequalities & Linear Programming
The area shaded with horizontal lines is the solution set of the inequalities;
Attached Figure / Diagram
Question diagram
A
y ≥ x, y + 3 ≥ 2x, x ≤ 3
B
y ≤ x, y + 2x ≥ -3, x ≤ 3
C
y ≤ -x, y + 2x ≤ 3, x ≥ -3
D
y ≥ -x, y + 3 ≤ 2x, x ≥ -3
E
y ≤ x, y ≤ 2x - 3, x ≥ 3