JEE Main 202125 Jul, Evening shiftMathematicsEasySets, Relations and Functions168× since 2002Consider function f : A →\to→ B and g : B →\to→ C (A, B, C ⊆\subseteq⊆ R) such that (gof)^−-−1 exists, then :AOption A. f and g both are one-oneBOption B. f and g both are ontoCOption C. f is one-one and g is ontoDOption D. f is onto and g is one-oneCheckSkip · show solution
