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Mathematics 7 Online
OpenStudy (trojanpoem):

In the following graph: f'(2) =

OpenStudy (trojanpoem):

|dw:1427894510227:dw|

OpenStudy (phi):

if that is a "sharp" bend at x=2, then the derivative does not exist

OpenStudy (trojanpoem):

It''s answered like so , but I don't understand how or why it's like that.

OpenStudy (phi):

what do you mean ?

OpenStudy (trojanpoem):

I mean how did you find that it doesn't exist ?

OpenStudy (phi):

because the slope is not well defined at a sharp corner. if we "zoom in" on the corner|dw:1427894965135:dw|

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