Q28. If f(x) = 2x + 3, and f(f(f(x))) = ax + b, then what is the value of a?Mathematics — Sets, Functions and Groups — Question 28 of 232A. a = 32B. a = 8C. a = 16D. a = 64Practice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →