Which of the following conditions guarantees that a function possesses an inverse…
MATHEMATICS · Single correct · CBSE · Mathematics · Relations and Functions · Relations and Functions
Problem
Which of the following conditions guarantees that a function f:A→B possesses an inverse function f−1:B→A?
(a) f\;\text{is one–to–one}
(b) f\;\text{is both one–to–one \text{and} onto}
(c) f\;\text{is onto}
(d) f\;\text{is continuous \text{and} one–to–one}