Cho hàm số \(y=f(x)\) liên tục, có đạo hàm trên R ...
Câu hỏi: Cho hàm số \(y=f(x)\) liên tục, có đạo hàm trên R và có đồ thị như hình vẽ như sau:![](data:image/png;base64,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)
A. 0
B. 2
C. 1
D. Không tồn tại.
Câu hỏi trên thuộc đề trắc nghiệm
40 câu trắc nghiệm Các dạng toán về hàm ẩn liên quan đến GTLN, GTNN của hàm số