Explain, in one clear sentence, why the derivative of does not exist at…

MATHEMATICS · Subjective · AP · Calculus AB · Differentiation: Definition and Fundamental Properties · Differentiation: Definition and Fundamental Properties

Problem

Explain, in one clear sentence, why the derivative of

f(x)=|x|

does not exist at

x=0

Related theory

Derivative Foundations
Differentiability
Differentiability of functions
Continuity and Differentiability

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