Question

Express f(x): |x-2|+|x+2| in the non-modulus form
Hence sketch the graph of F(x) and determine the range of f(x)

Answer 1

take it as 2 part

Answer 2

for |x-2|
x-2 , x=>2
-(x-2), x<2

Answer 3

for |x+2|
x+2 , x=>-2
-(x+2), x<-2

Answer 4

combine both eqn u will get a num line look like this