Toán 12: Nhận định đúng/sai: Cho hàm số y=f(x)=x^3+4x^2-11x-12 Xét tính đúng/sai
23 days ago
20
a) Hàm số có đạo hàm f'(x)=3x^2+8x-11
b) Hàm số y=f(x) nghịch biến trên khoảng (1;+∞)
c) Hàm số y=-2f(x) nghịch biến trên khoảng (-1;1)
d) Hàm số g(x) = f(x^2-3)+ 1/3 (x^2 - 4)^2 nghịch biến trên khoảng (2;+∞)
#KhaoSatHamSo
#NhậnĐịnhĐúngSai
#CáchGiải
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