Cho hàm số y = f(x) có đạo hàm trên R và có đồ thị...
Câu hỏi: Cho hàm số y = f(x) có đạo hàm trên R và có đồ thị là đường cong trong hình vẽ bên dưới. Đặt \(g\left( x \right) = f\left[ {f\left( x \right)} \right]\). Tìm số nghiệm của phương trình g’(x) = 0.![](data:image/png;base64,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)
A. 4
B. 6
C. 2
D. 8
Câu hỏi trên thuộc đề trắc nghiệm
Đề tập huấn thi THPTQG môn Toán năm 2019 Sở GD&ĐT TP. Hồ Chí Minh - Đề số 1