–1 votes –1 votes How to find identity element of a function ? Ex : f(x)= x+y-3 How to find identity element of fog(x) ? please take an example and explain for fog(x) Set Theory & Algebra functions + – PEKKA asked Jan 6, 2017 • edited Jan 6, 2017 by PEKKA PEKKA 612 views answer comment Share Follow See all 4 Comments See all 4 4 Comments reply Samujjal Das commented Jan 6, 2017 reply Follow Share What is g(x) ? 0 votes 0 votes PEKKA commented Jan 6, 2017 reply Follow Share Can u pls take one example and explain ? 0 votes 0 votes Samujjal Das commented Jan 6, 2017 reply Follow Share fog(x) = f(g(x)). You have given the f(x), what about the g(x)? 0 votes 0 votes PEKKA commented Jan 6, 2017 reply Follow Share Can u pls show how to find identity element for the first part ? 0 votes 0 votes Please log in or register to add a comment.