Cho hàm số \(y=f(x)\) có đồ thị hàm số \(f'(x)\) n...
Câu hỏi: Cho hàm số \(y=f(x)\) có đồ thị hàm số \(f'(x)\) như hình vẽ![](data:image/png;base64,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)
A. (- 2;0)
B. \(\left( {0; + \infty } \right)\)
C. \(\left( { - \infty ; + \infty } \right)\)
D. (- 1;1)
Câu hỏi trên thuộc đề trắc nghiệm
Đề thi HSG môn Toán 12 năm 2019 Trường THPT Thuận Thành 2