- Question 1 Which of the following statements are true? Select all true statements. 1 point O f may have an inflection point at a if f" (a) does not exist If f" (=) > 0 for a 0 for Or > a, then f must have an inflection point at (a, f(a)). If f" (=) 0 for all z E R, f may have at most one local extrema O None of the above