Question

Which of the following is the graph of the inequality y < 3x+ 1?

А
B
C
D
5
To (1.4)
(1.4)
(1.4)
5
(1.4)
(0.1)
(0.1)
€ (0, 1)
(0, 1)
-6
5
A. Graph A
B. Graph B
C. Graph C
D. Graph D

Answer 1

D is the correct graph.
Testing (1, 4) which on the line. 4 = 3x1 + 1 is true so the line is solid.
Testing (0, 0) which is below the line. 0 = 3x0 + 1 is true so the origin must be in the shaded region.