The set of critical points of the function \( f(x)=(x-2)^{\frac{2}{3}} \cdot(2 x+1) \) is (A) \(...

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The set of critical points of the function \( f(x)=(x-2)^{\frac{2}{3}} \cdot(2 x+1) \) is
(A) \( \{1,2\} \)
(B) \( \left\{-\frac{1}{2}, 1\right\} \)
(C) \( \{-1,2\} \)
(D) \( \{1\} \)
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