Answer 6 and 7

Questions 6 and 7 deal with functions in general. 6. If f'(a) = 0 at the point P(a, b), then P(a, b) is either a maximum or a minimum point: a) Never b) Sometimes c) Always d) none of these 7 . If f" (a) = 0, then P(a, f(a)) is an inflection point: a) Never b) Sometimes c) Always d) none of these