Limits Continuity And Differentiability Question 50

Question: The number of points of non-differentiability for $ f(x)=max{| | x |-1 |,1/2} $ is

Options:

A) 4

B) 3

C) 2

D) 5

Show Answer

Answer:

Correct Answer: D

Solution:

Clearly, from the graph, $ f(x) $ is non-differentiable at five points.