0 votes 0 votes Which of the following is a bijection on set of all real numbers. $(1)f(x) = x{^2} $ $(2)g(x) = |x|$ $(3)h(x) = \left \lfloor x \right \rfloor$ $(4)\phi(x)$ = $x^3$ How to proceed in such questions. `JEET asked Dec 24, 2018 • edited Dec 24, 2018 by Lakshman Bhaiya `JEET 317 views answer comment Share Follow See all 5 Comments See all 5 5 Comments reply `JEET commented Dec 24, 2018 reply Follow Share @Magma 0 votes 0 votes Lakshman Bhaiya commented Dec 24, 2018 reply Follow Share https://www.mathsisfun.com/sets/injective-surjective-bijective.html 0 votes 0 votes `JEET commented Dec 24, 2018 reply Follow Share Thanks. @Lakshman Patel RJIT What is the shortcut for floor in LATEX. 0 votes 0 votes Hemanth_13 commented Dec 24, 2018 reply Follow Share Option 4 ?? 0 votes 0 votes Magma commented Dec 24, 2018 reply Follow Share Yeah option 4 is the correct option 0 votes 0 votes Please log in or register to add a comment.