The graph of a real-valued function f ( x ) is the following. The function is

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

The graph of a real-valued function f (x) is the following.
The function is

1. f (x) = x – |x|
2. f (x) = x + |x|
3. f (x) = 2x
4. None of these

Answer

(B) f ( x ) = x + | x |

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