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Mathematics 18 Online
OpenStudy (anonymous):

How to determine the differentiability? For example, if the function is not continuous at \(x=x_0\), it's not differentiable at \(x=x_0\) And if the function is not ''smooth'' at a point, it's not differentiable at that point. Any other conditions?

OpenStudy (anonymous):

FYI, (A) is not ''smooth'' at certain points while (B) is ''smooth'' |dw:1347030705975:dw|

OpenStudy (anonymous):

|dw:1347030827486:dw|

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