Cho hàm số \(y=f(x)\) liên tục trên R và có bảng b...
Câu hỏi: Cho hàm số \(y=f(x)\) liên tục trên R và có bảng biến thiên như sau![](data:image/png;base64,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)
A. \(f(2)\)
B. \(f(0)\)
C. \(f(4)\)
D. Không xác định được.
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