Determine if the following function f is differentiable at point indicated. If it not differentiable, explain
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Determine if the following function f is differentiable at point indicated. If it not differentiable, explain

[From: ] [author: ] [Date: 11-11-01] [Hit: ]
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f(x) = { sin (1/x) if x not equal to 0
{ 0 if x = 0

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It's not because the function is NOT CONTINUOUS near x=0.

Think of it this way, would you have to pick up your pencil drawing this function? YES! There is no way to continuously draw the function from x=0 to other x values without picking up your pencil.

Hope that helps
1
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