Hình vẽ bên là đồ thị của hàm số nào?
Câu hỏi: Hình vẽ bên là đồ thị của hàm số nào?![](data:image/png;base64,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)
A. y = x2 – 2x
B. y = x2 – 2x + 1
C. y = – x2 + 2x – 1
D. y = – x2 + 2x;
Câu hỏi trên thuộc đề trắc nghiệm
Đề thi KSCL giữa HK1 môn Toán 10 năm 2019 Trường THPT Nhữ Văn Lan