Question

let f(x)={2x x<0
0 x>0
Which of the following is a equivalent definition of f(x)
A.f(x)=x+│x│
B.f(x)=2│x│
C.f(x)= x-│x│
D.f(x)=│x│-x
E.f(x)=2x

Answer 1

guessing a or e may be wrong