If `A={0,\1,\ 2,\ 3,}` , `B={1,\ 3,\ 5,\ 7,\9}` and `f: A->B` is given by `f(x)=2x+1` , then write `f` and `f^(-1)` as a set of ordered pairs.

Explanation

`A={0,1,2,3},`
`
B={1,3,5,7,9}`
`
f(0)=2(0)+1=0+1=1`
`
f(1)=2(1)+1=2+1=3`
`
f(2)=2(2)+1=4+1=5`
`
f(3)=2(3)+1=6+1=7`

set of ordered pairs
`
f={(0,1),(1,3),(2,5),(3,7)}`