ANSWER
- Stretched vertically by a factor of 2
- Translated to the right 1 unit
- Reflected over the x-axis
- Translated up 2 units
Step-by-step explanation
We want to identify all the transformations for the given absolute value function:

The parent function for absolute value functions is:

The function was first multiplied by 2:

This represents a vertical stretch by a factor of 2.
Then, the function was multiplied by -1:

This represents a reflection over the x-axis.
Then, the function was transformed as follows:

This represents a horizontal translation to the right by 1 unit.
And finally, it was transformed as follows:

This represents a vertical translation up by 2 units.
Hence, the transformations that the function underwent are:
- Stretched vertically by a factor of 2
- Translated to the right 1 unit
- Reflected over the x-axis
- Translated up 2 units