Mathematics · Calculus
A function f : R → R is defined by f(x) = |x|. Then which of the following statements is true?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1f is not differentiable at any point of R.
- 2f is not differentiable only at x = 0.✓
- 3f is differentiable everywhere on R.
- 4f is differentiable at x = 0.
Correct answer
f is not differentiable only at x = 0.
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