AP EAMCET2001MathematicsFunctions
Let Z denote the set of integers define f: Z Z by f(x)= array ll x 2 , & x is even 0, & x is odd array . then f is
Options
- Aonto but not one-one
- Bone-one but not onto
- Cone-one and onto
- Dneither one-one nor onto
Correct answer
A. onto but not one-one
Step-by-step solution
Clearly, it is onto but not one-one. Since each odd integer mapped with zero.