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切线方程练习
切线方程 · 1–12
写出在给定 x 值处的切线方程，用斜截式表示。
1.f(x) = x3 + 7x + 6, x = −1
2.f(x) = −2x3 − 3x2 − 9x + 2, x = −1
3.f(x) = 2x3 − 2x2 − 7x + 7, x = −2
4.f(x) = 2x3 − 4x2 − x + 3, x = −2
5.f(x) = −2x3 + 4x2 + 8x + 3, x = −2
6.f(x) = −2x3 + 2x2 − 8x + 2, x = −2
7.f(x) = 2x3 + x2 − 6, x = −3
8.f(x) = 2x3 − 2x2 + 7x − 2, x = −2
9.f(x) = x3 − 2x2 + 8x − 5, x = −3
10.f(x) = −x3 − 3x2 − 2x + 1, x = −3
11.f(x) = x3 − x − 6, x = −1
12.f(x) = x3 − 3x − 9, x = −2
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