Answer :
tbh, none of them
ex. 2n
you can have n=-1
2(-1)
-2<-1
ex. n^2
n=1
1^2
=1
1=1
ex. 2-n
n=2
2-2
=0
0<2
ex. 2n
you can have n=-1
2(-1)
-2<-1
ex. n^2
n=1
1^2
=1
1=1
ex. 2-n
n=2
2-2
=0
0<2
