Calculus
# Limits of Functions

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What is the value of

$\lim_{x \to 3^-} \frac{x^2 - 1}{x-2}?$

Find the limit of

$\lim_{x \to -1^+} \frac{x^2+x}{ |x+1| }.$

What is the value of

$\lim_{x \to 3^+} \sqrt{x-3} ?$