help plz i’ll give extra points

Answer:
d
Step-by-step explanation:
The y intercept shows the place where the line starts so that would be how much water/ how deep the fountain was before the storm began aka the starting point.
Answer:
D
Step-by-step explanation:
Y intercept means what is the y value when x is at zero. In this case it means what is the depth of water before it started raining so D