Question

1
+
[2
3Xtry
Ex-2y 2
3
3х+2 3x-29
")
с
2
2​

Answer 1

Step-by-step explanation:

let x={1, 2,3,4} and y={a, b, c}, then the mapping f:x--->y defined by f(1) =a, f(2) =b, f(3) =a, f(4) =b is