問題詳情

4.設

﹐下列何者為真﹖ 
(A)

 
(B)f (x)在x = 2連續 
(C)f (x)在x = 2不連續 
(D)

不存在 (5)f (x)在x = 1連續﹒

參考答案

答案:A
難度:困難0.375
統計:A(6),B(3),C(2),D(1),E(0)