Cho hàm số \(y = f\left( x \right)\)có bảng biến t...
Câu hỏi: Cho hàm số \(y = f\left( x \right)\)có bảng biến thiên như hình dưới đây.Tổng số tiệm cận ngang và tiệm cận đứng của đồ thị hàm số \(y = \dfrac{1}{{2f(x) - 1}}\) là:![](data:image/jpeg;base64,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)
A \(0\)
B \(1.\)
C \(2.\)
D \(3.\)
Câu hỏi trên thuộc đề trắc nghiệm
Đề thi thử THPT QG môn Toán năm 2019 - Thầy Chí - Đề số 6