Cho hàm số \(y=f(x)\) có đồ thị như hình vẽ. Số ng...
Câu hỏi: Cho hàm số \(y=f(x)\) có đồ thị như hình vẽ. Số nghiệm của phương trình \(2f\left( x \right) - 3 = 0\) là![](data:image/png;base64,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)
A. 3
B. 2
C. 1
D. 0
Câu hỏi trên thuộc đề trắc nghiệm
Đề thi thử THPT QG năm 2019 môn Toán Trường THPT Chuyên Quang Trung - Bình Phước lần 3