Question: Let a be a nonzero constant. Prove that if lim x0 f(x) = L, then lim x0 f(ax) = L. Show by means of an

Let a be a nonzero constant. Prove that if lim x→0 f(x) = L, then lim x→0 f(ax) = L. Show by means of an example that a must be nonzero.

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