**Limits (An Introduction)**
https://www.mathsisfun.com/calculus/limits.html

How about a function f(x)with a "break" in it like this: The limit does not exist at "a" We can't say what the value at "a" is, because there are two competing answers: 1. 3.8 from the left, and 2. 1.3 from the right But we canuse the special "−" or "+" signs (as shown) to define one sided limits: 1. the left-handlimit (−) is 3.8 2. the right-handl...

How about a function f(x)with a "break" in it like this: The limit does not exist at "a" We can't say what the value at "a" is, because there are two competing answers: 1. 3.8 from the left, and 2. 1.3 from the right But we canuse the special "−" or "+" signs (as shown) to define one sided limits: 1. the** left-handlimit** (−) is 3.8 2. the right-handl...

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