题目内容
曲线y=xex+2x+1在点(0,1)处的切线方程为________.
曲线
曲线y=xex+1在点(0,1)处的切线方程是 ( )
A.x-y+1=0 B.2x-y+1=0
C.x-y-1=0 D.x-2y+2=0