下列二次函数中,图象以直线x = 2为对称轴,且经过点(0,1)的是( )
A.y =" (x" − 2)2 + 1 | B.y =" (x" + 2)2 + 1 |
C.y =" (x" − 2)2 − 3 | D.y =" (x" + 2)2 – 3 |
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下列二次函数中,图象以直线x = 2为对称轴,且经过点(0,1)的是( )
A.y =" (x" − 2)2 + 1 | B.y =" (x" + 2)2 + 1 |
C.y =" (x" − 2)2 − 3 | D.y =" (x" + 2)2 – 3 |