the correct answer is A. Y=X+2
The line on the left with the arrow at the end.
One end is filled in meaning

and there is an arrow showing it goes on forever
The line is behind -2 and all numbers in it are
8/9 = x + 1/3 (7)
8/9 = x + 7/3
8/9 - 7/3 = x
x = 8/9 - 21/3
x = -13/3
x = -4 and 1/3
Answer: -4 and 1/3