What is \(\lim_{x\to 2}\frac{x^2-4}{x-2}\)?

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Review the concept: Limit of a function

The limit of \(f\) as \(x\) approaches \(a\) is \(L\) if \(f(x)\) gets as close to \(L\) as we like when \(x\) is taken sufficiently close to \(a\), regardless of what happens at \(x=a\).

More practice problems: limit of a function

• ZW-LIMIT-OF-A-FUNCTION-001 If lim _x→ 2 f(x)=5, what can be stated for sure?
• ZW-LIMIT-OF-A-FUNCTION-002 Which statement about the limit of f at a is correct?
• ZW-LIMIT-OF-A-FUNCTION-003 What does lim _x→ a f(x)=L mean?
• ZW-LIMIT-OF-A-FUNCTION-004 What is lim _x→ 3 2x?
• ZW-LIMIT-OF-A-FUNCTION-006 What is lim _x→ 0(sin x)/(x)?
• ZW-LIMIT-OF-A-FUNCTION-007 If f(x)=1 for x<0 and f(x)=2 for x≥ 0, what is lim _x→ 0 f(x)?
• ZW-LIMIT-OF-A-FUNCTION-008 What is lim _x→ 1(x^3-1)/(x-1)?
• ZW-LIMIT-OF-A-FUNCTION-009 What is lim _x→ a c if c is a constant?

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