Author: ignougroup

MCS013 – Assignment 8(d) A function is onto if and only if for every yy in the codomain, there is an xx in the domain such that f(x)=yf(x)=y. So in the example you give, f:R→R,f(x)=5x+2f:R→R,f(x)=5x+2, the domain and codomain are the same set: R.R. Since, for every real number y∈R,y∈R, there is Read More …