Cho hàm số y=f(x) có đồ thị như hình vẽ bên.
Câu hỏi: Cho hàm số y=f(x) có đồ thị như hình vẽ bên.![](data:image/png;base64,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)
A. \(f\left( {1,5} \right) < 0;f\left( {2;5} \right) < 0\)
B. \(f\left( {1,5} \right) > 0 > f\left( {2;5} \right)\)
C. \(f\left( {1,5} \right) > 0;f\left( {2;5} \right) > 0\)
D. \(f\left( {1,5} \right) < 0 < f\left( {2;5} \right)\)
Câu hỏi trên thuộc đề trắc nghiệm
Đề thi thử THPTQG năm 2018 môn Toán Chuyên ĐH Sư Phạm Hà Nội