Answer:
(0, 1/2)
Explanation:
I'd suggest you label the scale divisions: 1, 2, 3, ... , etc.
Now look closely where the graph crosses the y-intercept (x=0). That place is halfway between y = 0 and y = 1, that is, it's at y = 1/2.
The y-intercept is (0, 1/2).