WBJEE · Maths · Differentiation
The number of points at which the function \(f(x)=\max \{a-x, a+x, b\},-\infty < x < \infty\) \(0 < a < b\) cannot be differentiable, is
- A 0
- B 1
- C 2
- D 3
Answer & Solution
Correct Answer
(C) 2
Step-by-step Solution
Detailed explanation
Graph of \(f(x)\) There are two sharp turns. Hence, \(f(x)\) cannot be differentiable at two points.
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