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Problem

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Textbook Expert
Textbook ExpertVerified Tutor
25 Oct 2021

Given information

The graph is given,

Step-by-step explanation

Step 1.

A corner or a discontinuity or a vertical tangent at that point makes it non-differentiable.

 

We can see a discontinuity at .

We can see a corner(a kink) at .

The graph has a discontinuity at .

The point , is a vertical tangent to the function.

 

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