Which point lies in the feasible region of $x + y \le 6, 2x + y \le 8, x \ge 0, y \ge 0$?

Explanation

1. 01

   A point is feasible when it satisfies every constraint. Check $(2, 3)$: $x + y = 5$; $2x + y = 7$.

2. 02

   Each of the other points breaks at least one constraint.