Question: 4 (a) Let f be a continuous real-valued function on the Whole real line. Suppose that f is differentiable at 0 with f'(0) > 0

4 (a) Let f be a continuous real-valued function on the Whole real line. Suppose that f is differentiable at 0 with f'(0) > 0 and f(0) : 0. Show that there is e > 0 so that x) is positive for a: 6 (0,6) and f($) is negative for a: E (6, 0)

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