Mathematics · Relations and Functions
Let the function f: R - {1} → R be defined as f(x) = 2xx - 1. Which of the following is true about this function?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1f is surjective but not injective
- 2f is neither injective nor surjective
- 3f is injective but not surjective✓
- 4f is both injective and surjective
Correct answer
f is injective but not surjective
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