Cho hàm số y=f(x) có đồ thị như hình vẽ bên. Tích...
Câu hỏi: Cho hàm số y=f(x) có đồ thị như hình vẽ bên. Tích của giá trị lớn nhất và nhỏ nhất của hàm số y = f(x) trên đoạn [-3; 3] bằng:![](data:image/png;base64,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)
A. 12
B. -12
C. -9
D. 18
Câu hỏi trên thuộc đề trắc nghiệm
Đề thi giữa HK2 môn Toán 10 Trường THPT Lê Xoay - Vĩnh Phúc năm 2018 - 2019