Match each function formula with the corresponding transformation of the parent function y= -x2 - 1.
1. y=-x-1
Translated down by unit
2. y=-(x -1)2 -1
Reflected across the y-axis
3. y=x+1
Translated right by unit
4. y=-x
Translated left by I unit
5. y=-(x + 1)2 - 1
Reflected across the x-axis
6. y=-x2-2
Translated up by 1 unit