Q15. Let f(x) = k/x and g(x) = x. For what values of k does f(g(x)) = g(f(x))?Mathematics — Sets, Functions and Groups — Question 15 of 232A. ∀k ∈ ℝB. k = 1C. k = -1D. k ≥ 1Practice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →