Let g ( x ) = 1 + x –[ x ] and f(x)= array cc -1, & x 0 array . then for all x, f ( g ( x…
Mathematics · JEE Advanced · NTA Exams — Sets, Relations and Functions
Let g(x) = 1 + x –[x] and \[f(x)=\left\{\begin{array}{cc}
-1, & x<0 \\
0, & x=0 \\
1, & x>0
\end{array}\right.\] then for all x, f (g (x)) is equal to
- x
- 1
- f (x)
- g (x)
Answer
(B) 1
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