Cho hàm số \(f(x)\) có bảng biến thiên như sau:
Câu hỏi: Cho hàm số \(f(x)\) có bảng biến thiên như sau:![](data:image/png;base64,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)
A. (- 2;0)
B. \(( + \infty ;1)\)
C. (0;2)
D. (3;1)
Câu hỏi trên thuộc đề trắc nghiệm
Đề kiểm tra 1 tiết Chương 1 Giải tích 12 năm 2019 Trường THPT Chà Cang