(b) $g(x) = 1 + x - \lbrack x\rbrack$ is greater than 1 since $x - \lbrack x\rbrack > 0,$ $\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ f\left\{ g(x) \right\} = 1$
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.