問題詳情
10. ( )已知二次函數為 
，請問下列哪一個函數值最大？
(A)f (20)
(B)f (-20)
(C)f (37)
(D)f (-37)。
，請問下列哪一個函數值最大？(A)f (20)
(B)f (-20)
(C)f (37)
(D)f (-37)。
參考答案
答案：A
難度：非常困難0
統計：A(0),B(0),C(2),D(0),E(0)
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