Which one/s of the statement/s below are accurate for critic…
Which one/s of the statement/s below are accurate for critical numbers of a function f(x)? There could be more than one correct answer. A) Critical numbers occur at values where f'(x) = undefined B) Critical numbers occur at values where f'(x) = 0 C) Corresponding to every critical point, f(x) will have a local max. or local min. D) All of the above are correct