9.若f (x) = 3x2 + 2x + 5，則　(A)5　(B)10　(C)20　(D)40

問題詳情

9.若f (x) = 3x2 + 2x + 5，則

　
(A)5　
(B)10　
(C)20　
(D)40

參考答案

答案：C
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)

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