A)

Here, y = 3x + 1

When x = 2,

y = 3(2) + 1 = 6 + 1 = 7

When x = 3,

y = 3(3) + 1 = 9 + 1 = 10

The points in the graph are given as:

A = (0,1)

B = (1,4)

C = (2,7)

D = (3,10)

The line segments: