Bảng biến thiên trong hình vẽ bên là của hàm số nà...
Câu hỏi: Bảng biến thiên trong hình vẽ bên là của hàm số nào trong các hàm số sau đây:![](data:image/png;base64,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)
A. y = x 4 - 2 x2 - 5
B. y = - x 4 + 2 x2 - 5
C. y = x 4 + 2 x2 - 5
D. y = x 4 + 2 x2 - 5
Câu hỏi trên thuộc đề trắc nghiệm
Đề thi thử THPT QG năm 2019 môn Toán Trường THPT Chuyên Lam Sơn - Thanh Hóa lần 2