Cho hàm số \(y = \frac{{x -...
Câu hỏi: Cho hàm số \(y = \frac{{x - a}}{{bx + c}}\) có đồ thị như hình vẽ bên. Tính giá trị của biểu thức \(P = a + b + c.\)
![](data:image/png;base64,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)
A. -3
B. 1
C. 5
D. 2
Câu hỏi trên thuộc đề trắc nghiệm
Đề thi thử THPT QG môn Toán Chuyên Thái Bình 2018