Cho hàm số \(y = \frac{{ax + b}}{{cx + d}}\left( {...
Câu hỏi: Cho hàm số \(y = \frac{{ax + b}}{{cx + d}}\left( {a,b,c,d \in R,ad - bc \ne 0} \right)\) có đồ thị như hình vẽ![](data:image/png;base64,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)
A. \(y = 2x + 4\)
B. \(y=-x\)
C. \(y=x-4\)
D. \(y=-x+4\)
Câu hỏi trên thuộc đề trắc nghiệm
Đề thi HSG môn Toán 12 năm 2019 Trường THPT Thuận Thành 2