Cho hàm số \(y=f(x)\) có đạo hàm \(y=f'(x)\) liên...
Câu hỏi: Cho hàm số \(y=f(x)\) có đạo hàm \(y=f'(x)\) liên tục trên R và đồ thị của hàm số \(f'(x)\) trên đoạn [- 2;6] như hình vẽ bên.![](data:image/png;base64,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)
A. \(\mathop {\max }\limits_{[ - 2;6]} f\left( x \right) = f\left( { - 2} \right).\)
B. \(\mathop {\max }\limits_{[ - 2;6]} f\left( x \right) = f\left( 6 \right).\)
C. \(\mathop {\max }\limits_{[ - 2;6]} f\left( x \right) = \max \left\{ {f\left( { - 1} \right),f\left( 6 \right)} \right\}.\)
D. \(\mathop {\max }\limits_{[ - 2;6]} f\left( x \right) = f\left( { - 1} \right).\)
Câu hỏi trên thuộc đề trắc nghiệm
Đề thi HK1 môn Toán 12 năm 2018 Trường THPT Đoàn Thượng