已知抛物线y=a(x-2)2+k(a>0,a,k为常数),A(-3,y1)B(3,y2)C(4,y3)是抛物线上三点,则y1,y2,y3由小到大依序排列为( )
A.y1<y2<y3 | B.y2<y1<y3 | C.y2<y3<y1 | D.y3<y2<y1 |
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已知抛物线y=a(x-2)2+k(a>0,a,k为常数),A(-3,y1)B(3,y2)C(4,y3)是抛物线上三点,则y1,y2,y3由小到大依序排列为( )
A.y1<y2<y3 | B.y2<y1<y3 | C.y2<y3<y1 | D.y3<y2<y1 |
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