Question

let f be one one function with domain {x,y,z} and range {1,2,3}.it is given that exactly one of the following statement is true and remaining two are false.

f(x)=1,f(y)not equal to 1,f(z) not equal to 2.determine f inverse(1)

Answer 1

I think the first one is correct..
and f inverse 1 = x