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Toán 12: Cho hàm số y=f(x) liên tục trên R và có đồ thị f'(x) như hình bên - Đúng/Sai
8 months ago
54
a) Hàm số đã cho đồng biến trên các khoảng (-vc,-1) và (1,+vc)
b) Hàm số có 1 điểm cực trị
c) Hàm số có giá trị nhỏ nhất trên đoạn [-3;1] bằng f(-2)
d) f'(3)=20
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