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End-points

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asa.hoshi:

--- Quote from: "kido_1" ---I already have 'The....Exam 2'
lol :D
--- End quote ---
ok i'll contribute to it later.

hifer:
Does anyone know if the following graph is differentiable at x=3 or x=-2?

[img]http://img138.imageshack.us/img138/4613/endptsoo3.th.jpg[/img]

The Helper at itute said that
--- Quote ---It is differentiable at x=3 but not at x=-2.
Regarding the discontinuity at x=0, you can consider the function as two functions.
--- End quote ---


This is abit confusing >< Does it mean that if endpt is included it's differentiable?

kido_1:
That is wierd. I thought at endpoints it is not differentiable9as you cant draw a tangent at that point)

Khangfu:

--- Quote from: "kido_1" ---That is wierd. I thought at endpoints it is not differentiable9as you cant draw a tangent at that point)
--- End quote ---


yup that is correct

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