Cho (P) : \(y=-x^2\) và đồ thị hàm số \(y = a{x^3}...
Câu hỏi: Cho (P) : \(y=-x^2\) và đồ thị hàm số \(y = a{x^3} + b{x^2} + cx - 2\) như hình vẽ.![](data:image/png;base64,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)
A. 3
B. - 7
C. 9
D. - 1
Câu hỏi trên thuộc đề trắc nghiệm
Đề thi HSG môn Toán 12 năm 2019 Trường THPT Thuận Thành 2