设曲线y=^e1?x2与直线x=-1的交点为P,则曲线在点P处的切线方程是(  )A.2x-y+2=0 B.2x+y+1=0 C.2x+y-3=0 D.2x-y

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问题 设曲线y=^e1?x2与直线x=-1的交点为P,则曲线在点P处的切线方程是(  )

选项 A.2x-y+2=0
B.2x+y+1=0
C.2x+y-3=0
D.2x-y+3=0

答案D

解析
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