engineering mathematics MCQ #930

The function f(x) = |x| is not differentiable at x = ?

engineering mathematics MCQ #930

  1. Question 1

    Q1. The function f(x) = |x| is not differentiable at x = ?

    • A) 0
    • B) 1
    • C) -1
    • D) ∞

    Answer: 0

    Explanation: The absolute value function |x| has a sharp turn at x = 0, making it non-differentiable.