下列函数中,既是奇函数又在区间(0,+∞)上单调递增的函数为( )
A:y=sinx
B:y=1g2x
C:y=lnx
D:y=﹣x3
Do you have __________ to say about this?
曲线|x|+y2﹣3y=0的对称轴方程是____ ,y的取值范围是____