Question: Let f(x) be a function defined for all x E R and such that: . f'(x) is differentiable, with only two critical numbers at x

Let f(x) be a function defined for all x E R and such that: . f'(x) is differentiable, with only two critical numbers at x = -2 and x = 4; . f"(x) > 0 when x > 0, and f"(x)

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