Math Chapter Wise Sets, Relations And Functions English MCQ KVS TGT 2017 Q.The domain for which the functions defined by f(x) = 3x2 – 1 and g(x) = 3 + x are equal, is– A4 1, 3 B4 1, 3 C4 1, 3 D4 1, 3 Show answer Correct answer: 4 1, 3