一个图象不经过第二,四象限的反比例函数的解析式为 .
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的图象上,则k=
.
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如果反比例函数y=
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的图象经过点(2,3),那么此函数的图象经过点( )
A.(-2,3)
B.(3,2)
C.(3,-2)
D.(-3,2)
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C.
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D.
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如图,某个反比例函数的图象经过点P,则它的解析式为( )
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A.y=
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(x>0)
B.y=
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(x>0)
C.y=
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(x<0)
D.y=
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如果函数y=kx-2(k≠0)的图象不经过第一象限,那么函数y=
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的图象一定在( )
A.第一,二象限
B.第三,四象限
C.第一,三象限
D.第二,四象限
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