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7.( )已知 f(x)為一次函數。若 f(-2)<0 且 f(-4)=0,試判斷下列四個式子中,哪一個是正確的?(A)f(-7)<0 (B) f(2)>0 (C) f(0)<0(D) f(3)>f(
問題詳情
7.( )已知 f(x)為一次函數。若 f(-2)<0 且 f(-4)=0,試判斷下列四個式子中,哪一個是正確的?
(A)f(-7)<0
(B) f(2)>0
(C) f(0)<0
(D) f(3)>f(-2)。
參考答案
答案:C
難度:非常困難0
統計:A(0),B(0),C(0),D(0),E(0)
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