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Evaluate finite and infinite limits in two ways

Evaluate (a) lim⁡x→1(x2+4x−1)/(x+2)\lim_{x\to1}(x^2+4x-1)/(x+2), (b) lim⁡x→∞1/x\lim_{x\to\infty}1/x, and (c) lim⁡x→∞(3x−1)/(x+2)\lim_{x\to\infty}(3x-1)/(x+2).

CJC · Lecture · Example 1

Identify the form before applying a rule. Preserve the original domain while simplifying.

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