" Check for one and onto.(i) `f:NtoNdefine by `f(n)=n^(2)`

Check for one and onto.(i) f:NtoN define by f(n)=2n-17

Check for one and onto.(ii) f:RtoR define by f(n)=(1)/(2)

Check for one and onto.(i) f:NcupN{0}to define by f(n)=n+1

Check whether the following functions are on-to-oneness ande ontoness. (i) f: N to N" defined by f(n)="n^(2) (ii) f: R to R" defined by f(n)"=n^(2)

Check whether the following functions are on-to-one and onto. f: N to N" defined by f(n)=n+2" (ii) f: N cup {-1,0} to N" defined by f(n)=n+2"

Check whether the following functions are one to one and onto (i) f:NtoN defined by f(x) = x +3.

Prove that the function f:N to N , defined by f(x)=x^(2)+x+1 is one-one but not onto.

Prove that the function f:N rarr N, defined by f(x)=x^(2)+x+1 is one-one but not onto