Cho hàm số \(f(x)\) có bảng xét của đạo hàm như sa...
Câu hỏi: Cho hàm số \(f(x)\) có bảng xét của đạo hàm như sau:![](data:image/png;base64,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)
A. 3
B. 2
C. 4
D. 1
Câu hỏi trên thuộc đề trắc nghiệm
Đề kiểm tra 1 tiết Chương 1 Giải tích 12 năm 2019 Trường THPT Chà CangA. 3
B. 2
C. 4
D. 1
Câu hỏi trên thuộc đề trắc nghiệm
Đề kiểm tra 1 tiết Chương 1 Giải tích 12 năm 2019 Trường THPT Chà Cang