Final answer:
The function f(x)=e is constant, and thus its minimum value on the interval [-2,1] is e, the same for all x in the interval.
Step-by-step explanation:
The student appears to have asked about the function f(x) = e, which is a constant function. On the interval [-2,1], a constant function does not have any points at which it attains a minimum or maximum value, since the function value is the same for all x in this interval. Therefore, the minimum value of the function on the given interval is simply e.