Cho hàm số \(y=f(x)\) liên tục và...
Câu hỏi: Cho hàm số \(y=f(x)\) liên tục và có bảng biến thiên trên đoạn \([ - 1;\,\,3]\) như hình vẽ bên. Khẳng định nào sau đây đúng ?![](data:image/png;base64,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)
A. \(\mathop {\max }\limits_{\left[ { - 1;3} \right]} f(x) = f( - 1)\)
B. \(\mathop {\max }\limits_{\left[ { - 1;3} \right]} f(x) = f\left( 3 \right)\)
C. \(\mathop {\max }\limits_{\left[ { - 1;3} \right]} f(x) = f(2)\)
D. \(\mathop {\max }\limits_{\left[ { - 1;3} \right]} f(x) = f(0)\)
Câu hỏi trên thuộc đề trắc nghiệm
Đề thi thử THPT Quốc Gia năm 2019 môn Toán Trường THPT Chuyên Nguyễn Tất Thành lần 1