JEE Main & Advanced
Mathematics
Relations
Question Bank
Numerical Value Type Questions - Relations and Functions-II
question_answer
Let \[g\left( x \right)=1+x-\left[ x \right]\] and \[f\left( x \right)=\left\{ \begin{matrix} -1, & x<0 \\ 0, & x=0, \\ 1, & x>0 \\ \end{matrix} \right.\] then for all x, \[f[g(x)]\] is equal to