Mark recorded the growth of a plant every day for a week. The table below shows the height of the plant in centimeters (cm) at the end of each day.
Day Height (cm)
1 11.25
2 12.5
3 13.75
4
15
5
6
7
16.25
17.5
18.75
Which statement about the plant's growth rate and initial height is the most reasonable?
A. The plant grows at the rate of 7.5 cm per day, and its initial height was 10 cm.
OB. The plant grows at the rate of 1.25 cm per day, and its initial height was 10 cm.
C. The plant grows at the rate of 10 cm per day, and its initial height was 1.25 cm.
D. The plant grows at the rate of 1.25 cm per day, and its initial height was 11.25 cm.