0 votes 0 votes Here Domain and co-Domain is Integers. I am getting fog=gof , what's wrong in this approach ? Set Theory & Algebra functions + – radha gogia asked Sep 7, 2018 • edited Sep 7, 2018 by radha gogia radha gogia 362 views answer comment Share Follow See all 3 Comments See all 3 3 Comments reply srestha commented Sep 7, 2018 reply Follow Share domain will contain all integers but codomain will contain half of integers So, it will be neither one to one and also not onto or surjective 1 votes 1 votes Bikash Singh commented Sep 7, 2018 reply Follow Share what is the range of f(x) and g(x)? 0 votes 0 votes arvin commented Sep 7, 2018 reply Follow Share how can it be unequal.. domain =( - infinity to +infinity) range= (1 to infinity) both cases. 0 votes 0 votes Please log in or register to add a comment.