Write an Absolute Value Function That Is Equivalent to the Given

Multiple Choice

Write an absolute value function that is equivalent to the given piecewise function.
- $f(x) =\left\{\begin{array}{l}x+120 \text { if } x<-50 \\ -x+20 \text { if } x \geq-50\end{array}\right.$

A) $f(x) =-\mid x+50-70$
B) $f(x) =|x+50|+70$
C) $f(x) =-|x+50|+70$
D) $f(x) =-|x-50|+70$