Answer:
B
Explanation:
You could plug in the point given with another point but for simplicity, you can count how far away you are from the vertex. (Since the y intercept is at 0,0)
Go up 3 spots from the vertex, and then go one spot to the right. Ay now you're at (1,3)
You went up 3 and right 1, which translates to simply 3