The number of points at which the function is not differentiable in the interval is .....

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

Problem

The number of points at which the function f(x)=(x−∣x∣)2(1−x+∣x∣)2f(x) = (x - |x|)^2 (1 - x + |x|)^2 is not differentiable in the interval (−3,4)(-3, 4) is .....

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