Interpret the instantaneous rate of change at Point A.
The instantaneous rate of change at t = 5.25 is 2.05. It implies that, in 2005, the company's net profit margin increased by 2.05%.
The instantaneous rate of change at t = 5.25 is 2.05. It implies that, in the first quarter of 2005, the company's net profit margin was increasing by 2.05% per year.
The instantaneous rate of change at t = 5.25 is 9.15. It implies that, in the first half of 2005, the company's net profit margin was increasing by 9.15% per year.
The instantaneous rate of change at t = 5.25 is 2.05. It implies that, from the first half of 2005, within a year, the company's net profit margin increased by 2.05% per year.