Which is a correct interpretation of the slope of the line in this graph?
coordinate grid titled Water in Tank with line and labeled points
Question 1 options:
The volume of water in the tank is decreasing by 2 L per hour.
The volume of water in the tank is decreasing by 0.4 L per hour.
The volume of water in the tank is decreasing by 0.2 L per hour.
The volume of water in the tank is decreasing by 2.5 L per hour.