The graph shows the height, in centimeters, of a plant days after it was planted. The graph passes through the points and . What is the best interpretation of the -intercept of the graph in this context?
The plant grew 5 centimeters per day.
The plant was 5 centimeters tall when it was planted.
The plant reached a height of 25 centimeters after 10 days.
The plant grew 20 centimeters in 10 days.