The inequality is graphed in the coordinate plane

MATHEMATICS · Single correct · AoPS · Mathematics · Introduction to Inequalities · Introduction to Inequalities

Problem

The inequality

x + y \ge 2

is graphed in the coordinate plane. How many of the following points lie in its solution region:

(0,3)

(2,-1)

(1,1)

(-2,4)

? (a) 2 (b) 4 (c) 3 (d) 1