Question: Let I := (a, b) and let f : I R be differentiable at c I. Show that for every ε > 0 there exists

Let I := (a, b) and let f : I †’ R be differentiable at c ˆˆ I. Show that for every ε > 0 there exists δ > 0 such that if 0

f(x) – f(y) - f'(c) < e.

f(x) f(y) - f'(c) < e.

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