engineering mathematics MCQ #989

If f(x) = |x|, then f'(0) = ?

engineering mathematics MCQ #989

  1. Question 1

    Q1. If f(x) = |x|, then f'(0) = ?

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

    Answer: undefined

    Explanation: The derivative of |x| at x = 0 is undefined because the left and right limits are not equal.