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Tài liệu giảng dạy phụ đạo tổ Toán THPT Phan Chu Trinh Đăk Lăk Lớp 10-11-12 TRỌN BỘ (Tài liệu lưu hành nội bộ) (GoodRead)

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a) y= −2 x +1 b) y= 3 c) y= − 2 7<br />

3 x −<br />

x − 3<br />

5 − x<br />

e) y=<br />

f) y=<br />

2<br />

3<br />

2.2. Vẽ đồ thị các hàm số sau:<br />

a) y=|x|+2x b) y= |3x−2|<br />

x + 2 vôùi x>2<br />

⎧2x<br />

−1 vôùi x ≥1<br />

⎧<br />

⎪<br />

c) y = ⎨<br />

d) y = ⎨1<br />

⎩1 vôùi x ≤ 2<br />

⎪ x + 1 vôùi x 0 a < 0<br />

<strong>Tài</strong> <strong>liệu</strong> <strong>lưu</strong> <strong>hành</strong> <strong>nội</strong> <strong>bộ</strong> Trang 24/219.

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