plz provide solution of question 127 in detail 127. If f (x) = 2 [x] + cos x, then f : R → R is: (where [ ] denotes greatest integer function) (A) one-one and onto (B) one-one and into (C) many-one and into (D) many-one and onto Share with your friends Share 0 Shilpa Patel answered this 0 View Full Answer