抛物线y=3x2先向上平移3个单位，再向左平移2个单位所得的解析式为( )_刷题宝

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抛物线y=3x²先向上平移3个单位，再向左平移2个单位所得的解析式为( )

A：y=3（x+2）²-3

B：y=3（x+2）²+3

C：y=3（x-2）²-3

D：y=3（x-2）²+3

上一题下一题 0.0难度选择题更新时间:2018-05-18 07:38:58

答案(点此获取答案解析）

B

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