Q21. Consider the function f: ℝ - {1} → ℝ - {1} defined by f(x) = (x+1)/(x-1). What is the nature of this function?Mathematics — Sets, Functions and Groups — Question 21 of 232A. Neither injective nor surjectiveB. BijectiveC. Injective onlyD. Surjective onlyPractice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →