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(2001•嘉兴)已知点A(-2,a)在函数图象,则a的值为( ) A.-1 B...
(2001•嘉兴)已知点A(-2,a)在函数
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图象,则a的值为( )
A.-1
B.1
C.-2
D.2
考点分析:
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=( )
A.
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