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Let $$f : (-\infty, \infty) \to (-\infty, \infty)$$ be defined by $$f(x) = x^3 + 1$$. Statement 1: The function $$f$$ has a local extremum at $$x = 0$$. Statement 2: The function $$f$$ is continuous and differentiable on $$(-\infty, \infty)$$ and $$f'(0) = 0$$.
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