0 0 votes Which of the following is a necessary condition for a function $\mathrm{f}: A \rightarrow B$ to be invertible?$\mathrm{f}$ must be only onto$\mathrm{f}$ can be neither one-to-one nor onto$\mathrm{f}$ must be both one-to-one and onto$\mathrm{f}$ must be only one-to-one Others cil-2026 + – Shubham Sharma 2 9 views answer comment Share Follow Print 0 reply Please log in or register to add a comment.