Question: Let f be the function with derivative given by f' (x) = x2 - a2 = (x - a) (x + a), where a is

Let f be the function with derivative given by f' (x) = x2 - a2 = (x - a) (x + a), where a is a positive constant. Which of the following statements is true? A f is decreasing for -a > a because f' (x) > a. C f is decreasing for a

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