CUET Mathematics - The greatest integer function f: R R defined by f(x) = [x], then which of the following are true? (A) f(x) is one - one and onto. (B) Domain of f(x) = R (the set of real numbers). (C) f(x) is neither one-one nor onto. (D) Range of f(x) = Z (The set of integers). Choose the correct answer from the options given below: | PYQs + Solutions | AfterBoards