Math Chapter Wise Sets, Relations And Functions English MCQ (GIC) Lecturer exam, 2015 Q.If f:X→ → →Y and g:X→ → →Yare one-one and onto mappings, then the value of (gof)–1 is Af–1/og Bfog–1 Cf–1/og–1 Dg–1/og–1 Show answer Correct answer: f–1/og–1