Mathematics · Real Analysis
If f : ℝ → ℝ is a continuous function and f'(x) ≠ 0, ∀ x ∈ ℝ, then f is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1neither one-one nor onto
- 2onto
- 3one-one and onto
- 4one-one✓
Correct answer
one-one
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