hmm,
the absolute value makes whaterver inside positive
so
find whre the abslte value is 0
1.6x-2=0
1.6x=2
x=2/1.6
x=1.25
as x approaches 1.25, the function decreases
so from left to right
from the left to right, from -ifninty to 1.25, it is decreasing
from 1.25 to infinity, it is increasing
so it is increasing in the interval (1.25,∞)
