Cho biết bảng biến thiên ở hình dưới là của một tr...
Câu hỏi: Cho biết bảng biến thiên ở hình dưới là của một trong bốn hàm số được liệt kê dưới đây. Hãy tìm hàm số đó.![](data:image/png;base64,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)
A. \(y = \frac{{ - 2x - 4}}{{x + 1}}\)
B. \(y = \frac{{x - 4}}{{2x + 2}}\)
C. \(y = \frac{{2 - x}}{{x + 1}}\)
D. \(y = \frac{{ - 2x + 3}}{{x + 1}}\)
Câu hỏi trên thuộc đề trắc nghiệm
Đề thi thử THPT QG năm 2019 môn Toán Trường THPT Chuyên Thái Bình lần 2