>0 and f (b)<0. Its true that: Let f be continuous in [a, b] such that f(a) (a) if f is differentiable in (a,b), there exists at least one (b) f [(a,b)] is not necessarily an interval (c) no = b is the absolute minimum point of f (d) f is strictly decreasing in [a,b] (e) & has a strictly positive absolute maximum point no € (a,b) such that f'(x) = 0

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