题目内容
若f(x)=
,0<a<b<e,则有
[ ]
A.
f
(a)>f(b)B.
f
(a)=f(b)C.
f
(a)<f(b)D.
f
(a)·f(b)>1
答案:C
解析:
解析:
|
∴f(a)<f(b). |
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题目内容
若f(x)=
,0<a<b<e,则有
f
(a)>f(b)f
(a)=f(b)f
(a)<f(b)f
(a)·f(b)>1|
∴f(a)<f(b). |