Math 22 Continuity

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 Informally, a function is continuous at  means that there is no interruption in the graph of  at .

Definition of Continuity

Let  be a real number in the interval , and let  be a function whose domain contains the interval . The function  is continuous at  when 

these conditions are true.

 1.  is defined.
 2.  exists.
 If  is continuous at every point in the interval , then  is continuous on the open interval .

This page were made by Tri Phan