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设a<b,函数y=(x-a)2(x-b)的图像可能是
设a<b,函数y=(x-a)2(x-b)的图像可能是
设
a
<
b
,函数
y
=
(
x
-
a
)
2
(
x
-
b
)
的图像可能是
(
)
答案
C
解析
由解析式可知,当
x
>
b
时,
f
(
x
)
>
0
,由此可以排除
A
、
B
选项.又当
x
≤
b
时,
f
(
x
)≤0
,从而可以排除
D.
故本题选择
C.
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