题目内容
曲线y=在x=-2处的切线方程为
x+y+4=0
x-y+4=0
x-y=0
x-y-4=0
过点(0,1)且与曲线y=在点(3,2)处的切线垂直的直线的方程为
2x-y+1=0
2x+y-1=0
x+2y-2=0
x-2y+2=0
A.x+2y-2=0
B.2x+y-1=0
C.2x-y+1=0
D.x-2y+2=0
过点(0,1)且与曲线y=在点(3,2)处的切线垂直的直线的方程为( )
(A)2x-y+1=0 (B)2x+y-1=0
(C)x+2y-2=0 (D)x-2y+2=0