## Question

###### The function f(x)2x - x2 if x > 0 if x < 0(A) is discontinuous at the origin (B) is differentiable, with continuous derivative at the origin (C) is differentiable; with discontinuous derivative, at the origin (D) has a corner point at the origin (E) has a cusp at the origin

The function f(x) 2x - x2 if x > 0 if x < 0 (A) is discontinuous at the origin (B) is differentiable, with continuous derivative at the origin (C) is differentiable; with discontinuous derivative, at the origin (D) has a corner point at the origin (E) has a cusp at the origin

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