Q51. According to the second derivative test, a function f(x) has a local maximum at a point where:Mathematics — NUST Mock By Dogers 6 — Question 51 of 200A. f'(x) = 0 and f''(x) < 0B. f'(x) = 0 or f''(x) < 0C. f'(x) = 0 and f''(x) > 0D. f'(x) ≠ 0 and f''(x) < 0Practice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →