Mathematics · Differentiability
The set of all points where the function f(x) = x / (1 + |x|) is differentiable is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1(0, ∞)
- 2(-∞, ∞)✓
- 3(-∞, 0) ∪ (0, ∞)
- 4[-1, 0]
Correct answer
(-∞, ∞)
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