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nguyenlekhanhlinha1
2 năm trước
Câu 6 : Cho hàm số y = f(x) = -2x + 1. Khẳng định nào sau đây là đúng: * 1 điểm f(-1) = 3 f(0) = 1 f(1/2) = 1 f(2) = 1/3
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