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(2009•天津)在平面直角坐标系中,先将抛物线y=x2+x-2关于x轴作轴对称...
(2009•天津)在平面直角坐标系中,先将抛物线y=x2+x-2关于x轴作轴对称变换,再将所得的抛物线关于y轴作轴对称变换,那么经两次变换后所得的新抛物线的解析式为( )
A.y=-x2-x+2
B.y=-x2+x-2
C.y=-x2+x+2
D.y=x2+x+2
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