Cho hàm số \(y=f(x)\) có đạo hàm trên R
Câu hỏi: Cho hàm số \(y=f(x)\) có đạo hàm trên R và có đồ thị như hình bên.Khẳng định nào sau đây là đúng?![](data:image/png;base64,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)
A. \(\left\{ \begin{array}{l}f'\left( { - 0,5} \right) < 0\\f'\left( {0,5} \right) > 0\end{array} \right.\)
B. \(\left\{ \begin{array}{l}f'\left( { - 0,5} \right) < 0\\f'\left( {0,5} \right) < 0\end{array} \right.\)
C. \(\left\{ \begin{array}{l}f'\left( { - 0,5} \right) > 0\\f'\left( {0,5} \right) > 0\end{array} \right.\)
D. \(\left\{ \begin{array}{l}f'\left( { - 0,5} \right) > 0\\f'\left( {0,5} \right) < 0\end{array} \right.\)
Câu hỏi trên thuộc đề trắc nghiệm
Đề thi thử THPT QG năm 2019 môn Toán Trường THPT Hoàng Văn Thụ