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平均变化率练习
平均变化率 · 1–12
求函数在区间上的平均变化率。
1.f(x) = 4x2 − 2, 从 x = 2 到 x = 4
2.f(x) = −x2 + 4, 从 x = −3 到 x = −2
3.f(x) = −3x2 − 6x − 4, 从 x = −1 到 x = 1
4.f(x) = 3x2 − 2x − 4, 从 x = −4 到 x = 0
5.f(x) = 2x2 − x + 3, 从 x = 3 到 x = 7
6.f(x) = −2x2 − x + 1, 从 x = −2 到 x = 3
7.f(x) = −3x2 − 3x + 3, 从 x = 3 到 x = 4
8.f(x) = 2x2 + 2x + 6, 从 x = −4 到 x = 1
9.f(x) = −3x2 − x − 4, 从 x = 2 到 x = 6
10.f(x) = −2x2 + x − 1, 从 x = 3 到 x = 8
11.f(x) = x2 + 5x + 7, 从 x = 2 到 x = 5
12.f(x) = x2 + 2x − 4, 从 x = −4 到 x = −3
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