姓名 ______________________日期 ____________得分 ____ / 12
求函数值练习
求函数值 · 1–12
求下列函数在给定自变量处的值。
1.f(x) = x2 + 8x − 6, f(−2) =
2.f(x) = −3x2 − 9x − 8, f(−2) =
3.f(x) = −4x2 − 5x − 1, f(−5) =
4.f(x) = −2x2 − 3x + 5, f(−4) =
5.f(x) = 5x2 + 8x + 2, f(−1) =
6.f(x) = 2x2 + 6x + 1, f(−5) =
7.f(x) = x2 − x + 1, f(−6) =
9.f(x) = 4x2 + 6x − 12, f(−4) =
10.f(x) = −x2 − 4x + 1, f(−5) =
11.f(x) = −4x2 − 3x + 8, f(−1) =
12.f(x) = −x2 − x − 7, f(−4) =
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