Bảng xét dấu sau là của biểu thức nào?
Câu hỏi: Bảng xét dấu sau là của biểu thức nào?![](data:image/png;base64,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)
A. \(f\left( x \right) = x - 2\)
B. \(f\left( x \right) = 2 - 4x\)
C. \(f\left( x \right) = 16 - 8x\)
D. \(f\left( x \right) = - x - 2\)
Câu hỏi trên thuộc đề trắc nghiệm
Đề ôn tập Chương 4 Đại số lớp 10 năm 2021 Trường THPT Thanh Sơn