Cho hai hàm số \(f(x) = a{x^3} + b{x^2} + cx - \df...
Câu hỏi: Cho hai hàm số \(f(x) = a{x^3} + b{x^2} + cx - \dfrac{1}{2}\) và \(g(x) = d{x^2} + ex + 1\) \((a,b,c,d,e \in \mathbb{R})\). Biết rằng đồ thị của hàm số \(y = f(x)\) và \(y = g(x)\) cắt nhau tại ba điểm có hoành độ lần lượt là \( - 3; - 1;1\) (tham khảo hình vẽ). Hình phẳng giới hạn bởi hai đồ thị đã cho có diện tích bằng![](data:image/jpeg;base64,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)
A \(\dfrac{9}{2}\)
B \(8\)
C \(4\)
D \(5\)
Câu hỏi trên thuộc đề trắc nghiệm
Đề thi thử THPT QG môn Toán năm 2019 - Thầy Chí - Đề số 4