Cho a, b, c dương và khác 1. Các hàm số \(y = {\lo...
Câu hỏi: Cho a, b, c dương và khác 1. Các hàm số \(y = {\log _a}x,y = {\log _b}x,y = {\log _c}x\) có đồ thị như hình vẽ. Khẳng định nào dưới đây đúng?![](data:image/png;base64,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)
A. b > c > a
B. a > b > c
C. a > c > b
D. c > b > a
Câu hỏi trên thuộc đề trắc nghiệm
Đề thi thử THPT QG năm 2019 môn Toán Sở GD & ĐT Bắc Ninh lần 2