Examine the applicable of MVT for all three functions.
f(x)=[x] for xϵ[−2, 2]
Here, MVT is not applicable to f(x)=[x] in [2, -2] as f(x) is neither continuous in [2, -2].
(∵ f is not continuous at -2, -1, 0, 1, 2).
f(x)=[x] for xϵ[5, 9]
f(x)=1−x2 for xϵ[1, 2]
Examine if Rolle's theorem is applicable to any of the following functions. Can you say something about the converse of Rolle's theorem from these example ?
(i) f(x)=[x]for x ϵ [5,9]
(i) f(x)=[x]for x ϵ [−2,2]
(iii) f(x)=x2−1for x ϵ [5,9].