Which transformations are needed to change the parent sine function to

y = 1/4sine (4 (x + pi/6 ))?

vertical stretch of 1/4, horizontal stretch to a period of 2pi, phase shift of pi/6 units to the left

vertical compression of 1/4, horizontal compression to a period of pi/2 , phase shift of pi/6 units to the left

vertical stretch of 4, horizontal stretch to a period of 8pi, phase shift of pi/6 EndFraction units to the right

vertical compression of 4, horizontal compression to a period of pi/4 , phase shift of pi/6 units to the right