Respuesta :
Answer:
Step-by-step explanation:
let ????=g
g(x)=x|x|
if x<0,then |x|=-x
-67<0
|-67|=-(-67)=67
g(-67)=-67(67)=-67²
f(-67)=(-67)²=67²
f(-67)+g(-67)=67²-67²=0
Answer:
Step-by-step explanation:
let ????=g
g(x)=x|x|
if x<0,then |x|=-x
-67<0
|-67|=-(-67)=67
g(-67)=-67(67)=-67²
f(-67)=(-67)²=67²
f(-67)+g(-67)=67²-67²=0