Đây là bảng biến thiên của hàm số nào trong các hà...
Câu hỏi: Đây là bảng biến thiên của hàm số nào trong các hàm số sau đây?![](data:image/png;base64,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)
A. \(y = \frac{{x + 3}}{{2x - 6}}\)
B. \(y = \frac{{2x - 8}}{{x - 3}}\)
C. \(y = \frac{{x - 2}}{{x - 3}}\)
D. \(y = \frac{{2x + 3}}{{x - 3}}\)
Câu hỏi trên thuộc đề trắc nghiệm
Đề thi học kì 1 môn Toán lớp 12 Sở GD & ĐT Khánh Hòa năm 2017 - 2018 (VIP)