Limits

What this lesson shows

This function is undefined at x = 2. Nothing there at all. So… what happens right NEXT to it?

Try it yourself

Real questions from this lesson's worksheets — answers below each one.

1. lim(x→2) (x² - 4)/(x - 2)
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   4
2. lim(x→1) (x² - 1)/(x - 1)
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   2
3. lim(x→3) (x² + 2x + 3)
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   18
4. lim(x→4) (x² - 16)/(x - 4)
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   8