Question: Show that is not differentiable and x = 1 and has a corner in its graph there. f(x) = (1 (+2 x 1 x

Show that ƒ is not differentiable and x = 1 and has a corner in its graph there.

f(x) = (1 (+2 x 1 x x 1

f(x) = (1 (+2 x 1 x x 1

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