Cho hàm số \(y=f(x)\) có bảng biến thiên như hình...
Câu hỏi: Cho hàm số \(y=f(x)\) có bảng biến thiên như hình vẽ sau.![](data:image/png;base64,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)
A. xCĐ = 2
B. yCT = 2
C. yCT = 1
D. yCĐ = 0
Câu hỏi trên thuộc đề trắc nghiệm
Đề thi thử THPT QG năm 2019 môn Toán Trường THPT Hà Huy Tập