Cho hàm số \(y = f\left( x \right)\) có bảng biến...
Câu hỏi: Cho hàm số \(y = f\left( x \right)\) có bảng biến thiên như hình bên. Mệnh đề nào dưới đây đúng?![](data:image/png;base64,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)
A. Hàm số đạt cực đại tại x = 5
B. Hàm số không có cựctrị
C. Hàm số đạt cực tiểu tại x = 1
D. Hàm số đạt cực đạitại x = 0
Câu hỏi trên thuộc đề trắc nghiệm
Đề thi THPT QG năm 2019 môn Toán Trường THPT Chuyên Lương Văn Tụy lần 2