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If f(x)=|x+2|-1,"evalute "underset(x rar...

If `f(x)=|x+2|-1,"evalute "underset(x rarr-2+)(lim)(f(x)-f(-2))/(x+2)andunderset(xrarr-2-)(lim)(f(x)-f(-2))/(x+2)` . What can you say about the existence of `f'(x)" at"x=-2` ?

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Therefore , f (x) is not differentiability of f (x) at x = 0 .
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