Answer:
shifted horizontally to the right 4 units, then stretched vertically by a factor of "3" , and finally shifted vertically up 6 units.
Explanation:
Given the function

we can say that its parent function

was:
shifted horizontally to the right 4 units (given by the 4 units subtracted from the variable x)
stretched vertically by a factor of "3"
and finally shifted vertically up 6 units.