Let f be a function from R to R given by f (x) = x^ 2 -4 x^ 2 +1 . Then f (x) is.

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

1. one-one and into
2. one-one and onto
3. many-one and into
4. many-one and onto

Answer

(C) many-one and into

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