Math Chapter Wise Sets, Relations And Functions English MCQ JDD-75-PGT TIER II-X-15 28.06.2015 Q.lf x 3 10,then + ≥ + ≥ – A() x 13,7 ∈ − B[ ] x 13,7 ∈ − C(][) x, 13 7, ∈ −∞ − ∞ DNone of these Show answer Correct answer: (][) x, 13 7, ∈ −∞ − ∞