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分式函数的渐近线与空心点练习
分式函数的渐近线与空心点 · 1–12
求垂直渐近线、水平渐近线以及空心点（如果有）。
1.f(x) = 2(x + 3)x2 − 6x + 5
3.f(x) = (x + 6)x2 − 5x − 6
4.f(x) = 8(x + 5)x2 − 4x + 3
5.f(x) = 3(x − 6)x2 + 10x + 24
6.f(x) = 6(x − 8)x2 − x − 12
7.f(x) = −(x − 5)x2 − 7x + 6
8.f(x) = 5(x + 6)x2 + 5x + 4
9.f(x) = (x + 8)x2 + x − 12
10.f(x) = −(x + 2)x2 − 2x − 3
11.f(x) = −6(x − 5)x2 + 7x + 6
12.f(x) = −6(x − 8)x2 − 4x
答案 — 分式函数的渐近线与空心点练习
分式函数的渐近线与空心点
1.垂直渐近线：x = 1, x = 5；水平渐近线：y = 0
2.垂直渐近线：x = −4, x = 4；水平渐近线：y = 0
3.垂直渐近线：x = −1, x = 6；水平渐近线：y = 0
4.垂直渐近线：x = 1, x = 3；水平渐近线：y = 0
5.垂直渐近线：x = −6, x = −4；水平渐近线：y = 0
6.垂直渐近线：x = −3, x = 4；水平渐近线：y = 0
7.垂直渐近线：x = 1, x = 6；水平渐近线：y = 0
8.垂直渐近线：x = −4, x = −1；水平渐近线：y = 0
9.垂直渐近线：x = −4, x = 3；水平渐近线：y = 0
10.垂直渐近线：x = −1, x = 3；水平渐近线：y = 0
11.垂直渐近线：x = −6, x = −1；水平渐近线：y = 0
12.垂直渐近线：x = 0, x = 4；水平渐近线：y = 0
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