Let f (x) be a function defined on [0, 1] such that f(x)= array cc x & x Q 1-x, & x Q…
Mathematics · JEE Main · NTA Exams — Sets, Relations and Functions
Let f (x) be a function defined on [0, 1] such that \[f(x)=\left\{\begin{array}{cc}
x & x \in Q \\
1-x, & x \notin Q
\end{array}\right.\]
Then for all x ∈ [0, 1], fof (x) is
Then for all x ∈ [0, 1], fof (x) is
- a constant
- 1 + x
- x
- none of these
Answer
(C) x
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