Cho hàm số \(y=f(x)\) có đồ thị như hình vẽ.
Câu hỏi: Cho hàm số \(y=f(x)\) có đồ thị như hình vẽ. ![](data:image/png;base64,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)
A. 1
B. 3
C. 2
D. 4
Câu hỏi trên thuộc đề trắc nghiệm
40 câu trắc nghiệm Các dạng toán về hàm ẩn liên quan đến GTLN, GTNN của hàm sốA. 1
B. 3
C. 2
D. 4
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