1003030403

SubArea: 
Properties of functions
Level: 
C
Project ID: 
1003030403
Accepted: 
1
Clonable: 
0
Easy: 
0
Identify which of the following functions is not an injective (one-to-one) function.
m(x)=|x−2|; x∈[−2;3)
h(x)=x3+3; x∈[−2;3)
g(x)=(x+2)2; x∈[−2;3)
f(x)=x+2x−3; x∈[−2;3)