If e x + e f (x) = e, then range of the function of f is

Mathematics · JEE Main · NTA Exams — Sets, Relations and Functions

1. (–∞, 1]
2. (–∞, 1)
3. (1, ∞)
4. [1, ∞)

Answer

(B) (– ∞ , 1)

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