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duybac123
2 năm trước
cho hàm số bậc nhất y=(3m-1).x+m-2 a)xđ m để đò thị hs đi qua điểm A(-2;1) b)xd m để hs nghịch biến trên R c)xd m để đthi hs tạo với trục Ox 1 góc 30 độ đ) vẽ đồ thị hs với m=1 e) tìm điểm cố định mà đồ thị hs luôn đi qua với mọi giá trị của m hộ ạ
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