Find the Largest Open Interval Where the Function Is Changing $f(x)=|x-8|$

Multiple Choice

Find the largest open interval where the function is changing as requested.
-Decreasing $f(x) =|x-8|$

A) $(8, \infty)$
B) $(-\infty, 8)$
C) $(-\infty,-8)$
D) $(-8, \infty)$