Hi all, this is the problem that I don't know how to solve it. I think I should use the linear approximation
f(x) ~ f(a) + f'(a)(x-a)
But I'm not sure. Some hints will help me a lot. Thanks so much.
The table below shows the number of student, N, admitted by the School of BA in year t
Estimate as accurately as possible the value of the derivative Ní(t) in the year 2005, 2006, 2007