Let L(x) be the linearization of an arbitrary function f about c. Assume that f is concave down in an open interval I containing c. Which of the following statements is true? (1) f(x) > L(x) for all xe I (I1I) f(c) > L(c) (III) f(x) < L(x) for all xe I (IV) f(c) < L(c) (V) f(c) # L(c). only I OI and II I and V only II III and IV

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