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Limits & Continuityeasy
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If 2x−1≤f(x)≤x2+12x - 1 \le f(x) \le x^2 + 12x−1≤f(x)≤x2+1 for all xxx, what is lim⁡x→1f(x)\lim_{x \to 1} f(x)limx→1​f(x)?